12896957 has 2 divisors, whose sum is σ = 12896958. Its totient is φ = 12896956.

The previous prime is 12896927. The next prime is 12896969. The reversal of 12896957 is 75969821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 1104601 = 3434^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 12896957 - 2¹² = 12892861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12896927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6448478 + 6448479.

It is an arithmetic number, because the mean of its divisors is an integer number (6448479).

Almost surely, 2^12896957 is an apocalyptic number.

It is an amenable number.

12896957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12896957 is an equidigital number, since it uses as much as digits as its factorization.

12896957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The square root of 12896957 is about 3591.2333535987. The cubic root of 12896957 is about 234.5105673063.

The spelling of 12896957 in words is "twelve million, eight hundred ninety-six thousand, nine hundred fifty-seven".