It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 12 988 698 is not a prime number.
For example, 12 988 698 can be divided by 2: 12 988 698 / 2 = 6 494 349.
For 12 988 698 to be a prime number, it would have been required that 12 988 698 has only two divisors, i.e., itself and 1.
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12 988 698 is an even number, because it is evenly divisible by 2: 12 988 698 / 2 = 6 494 349.
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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 12 988 698 is about 3 603.984.
Thus, the square root of 12 988 698 is not an integer, and therefore 12 988 698 is not a square number.
The square of a number (here 12 988 698) is the result of the product of this number (12 988 698) by itself (i.e., 12 988 698 × 12 988 698); the square of 12 988 698 is sometimes called "raising 12 988 698 to the power 2", or "12 988 698 squared".
The square of 12 988 698 is 168 706 275 735 204 because 12 988 698 × 12 988 698 = 12 988 6982 = 168 706 275 735 204.
As a consequence, 12 988 698 is the square root of 168 706 275 735 204.
12 988 698 is a number with 8 digits.
The multiples of 12 988 698 are all integers evenly divisible by 12 988 698, that is all numbers such that the remainder of the division by 12 988 698 is zero. There are infinitely many multiples of 12 988 698. The smallest multiples of 12 988 698 are: