12862864 has 20 divisors (see below), whose sum is σ = 28482304. Its totient is φ = 5512608.

The previous prime is 12862849. The next prime is 12862873. The reversal of 12862864 is 46826821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57312 + ... + 57535.

Almost surely, 2^12862864 is an apocalyptic number.

12862864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12862864 is an abundant number, since it is smaller than the sum of its proper divisors (15619440).

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

12862864 is a wasteful number, since it uses less digits than its factorization.

12862864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114862 (or 114856 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 12862864 is about 3586.4835145306. The cubic root of 12862864 is about 234.3037426992.

The spelling of 12862864 in words is "twelve million, eight hundred sixty-two thousand, eight hundred sixty-four".