12600864 has 36 divisors (see below), whose sum is σ = 35834526. Its totient is φ = 4200192.

The previous prime is 12600851. The next prime is 12600869. The reversal of 12600864 is 46800621.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 1710864 = 3300^2 + 1308^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12600869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21589 + ... + 22164.

Almost surely, 2^12600864 is an apocalyptic number.

It is an amenable number.

12600864 is an abundant number, since it is smaller than the sum of its proper divisors (23233662).

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

12600864 is a wasteful number, since it uses less digits than its factorization.

12600864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43769 (or 43758 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12600864 is about 3549.7695699862. The cubic root of 12600864 is about 232.7019958047.

The spelling of 12600864 in words is "twelve million, six hundred thousand, eight hundred sixty-four".