12528957 has 24 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 6910176.

The previous prime is 12528941. The next prime is 12528959. The reversal of 12528957 is 75982521.

It is not a de Polignac number, because 12528957 - 2⁴ = 12528941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2794 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^12528957 is an apocalyptic number.

It is an amenable number.

12528957 is a deficient number, since it is larger than the sum of its proper divisors (7580643).

12528957 is a wasteful number, since it uses less digits than its factorization.

12528957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2978 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 12528957 is about 3539.6266752300. The cubic root of 12528957 is about 232.2585121264.

The spelling of 12528957 in words is "twelve million, five hundred twenty-eight thousand, nine hundred fifty-seven".