Is 12809 a prime number?

12 809 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 12 809 is about 113.177.

Thus, the square root of 12 809 is not an integer, and therefore 12 809 is not a square number.

Anyway, 12 809 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 12 809) is the result of the product of this number (12 809) by itself (i.e., 12 809 × 12 809); the square of 12 809 is sometimes called "raising 12 809 to the power 2", or "12 809 squared".

The square of 12 809 is 164 070 481 because 12 809 × 12 809 = 12 809² = 164 070 481.

As a consequence, 12 809 is the square root of 164 070 481.

12 809 is a number with 5 digits.

The multiples of 12 809 are all integers evenly divisible by 12 809, that is all numbers such that the remainder of the division by 12 809 is zero. There are infinitely many multiples of 12 809. The smallest multiples of 12 809 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 12 809 too, since 0 × 12 809 = 0
• 12 809: indeed, 12 809 is a multiple of itself, since 12 809 is evenly divisible by 12 809 (we have 12 809 / 12 809 = 1, so the remainder of this division is indeed zero)
• 25 618: indeed, 25 618 = 12 809 × 2
• 38 427: indeed, 38 427 = 12 809 × 3
• 51 236: indeed, 51 236 = 12 809 × 4
• 64 045: indeed, 64 045 = 12 809 × 5
• etc.

• Preceding numbers: …12 807, 12 808
• Following numbers: 12 810, 12 811…

Nearest numbers from 12 809

• Preceding prime number: 12 799
• Following prime number: 12 821

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• 12 809 est-il un nombre premier ?