12857862 has 16 divisors (see below), whose sum is σ = 26026560. Its totient is φ = 4234152.

The previous prime is 12857857. The next prime is 12857881. The reversal of 12857862 is 26875821.

It is a super-2 number, since 2×12857862² = 330649230422088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12857862.

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, 12412 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (1626660).

Almost surely, 2^12857862 is an apocalyptic number.

12857862 is an abundant number, since it is smaller than the sum of its proper divisors (13168698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12857862 is a wasteful number, since it uses less digits than its factorization.

12857862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25907.

The product of its digits is 53760, while the sum is 39.

The square root of 12857862 is about 3585.7861062813. The cubic root of 12857862 is about 234.2733674196.

The spelling of 12857862 in words is "twelve million, eight hundred fifty-seven thousand, eight hundred sixty-two".