12557902 has 16 divisors (see below), whose sum is σ = 21627360. Its totient is φ = 5357088.

The previous prime is 12557891. The next prime is 12557929. The reversal of 12557902 is 20975521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (1351710).

Almost surely, 2^12557902 is an apocalyptic number.

12557902 is a deficient number, since it is larger than the sum of its proper divisors (9069458).

12557902 is a wasteful number, since it uses less digits than its factorization.

12557902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12557902 is about 3543.7130244985. The cubic root of 12557902 is about 232.4372328349.

The spelling of 12557902 in words is "twelve million, five hundred fifty-seven thousand, nine hundred two".