12872957 has 2 divisors, whose sum is σ = 12872958. Its totient is φ = 12872956.

The previous prime is 12872947. The next prime is 12872963. The reversal of 12872957 is 75927821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 942841 = 3454^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 12872957 - 2⁴ = 12872941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12872947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6436478 + 6436479.

It is an arithmetic number, because the mean of its divisors is an integer number (6436479).

Almost surely, 2^12872957 is an apocalyptic number.

It is an amenable number.

12872957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12872957 is an equidigital number, since it uses as much as digits as its factorization.

12872957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 12872957 is about 3587.8903271979. The cubic root of 12872957 is about 234.3650097549.

The spelling of 12872957 in words is "twelve million, eight hundred seventy-two thousand, nine hundred fifty-seven".