12599957 has 2 divisors, whose sum is σ = 12599958. Its totient is φ = 12599956.

The previous prime is 12599921. The next prime is 12599963. The reversal of 12599957 is 75999521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 167281 = 3526^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 12599957 - 2⁸ = 12599701 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 (12599987) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6299978 + 6299979.

It is an arithmetic number, because the mean of its divisors is an integer number (6299979).

Almost surely, 2^12599957 is an apocalyptic number.

It is an amenable number.

12599957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12599957 is an equidigital number, since it uses as much as digits as its factorization.

12599957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 47.

The square root of 12599957 is about 3549.6418129158. The cubic root of 12599957 is about 232.6964124369.

The spelling of 12599957 in words is "twelve million, five hundred ninety-nine thousand, nine hundred fifty-seven".