12864156 has 24 divisors (see below), whose sum is σ = 30172800. Its totient is φ = 4265712.

The previous prime is 12864127. The next prime is 12864167. The reversal of 12864156 is 65146821.

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, 306 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (1257200).

Almost surely, 2^12864156 is an apocalyptic number.

It is an amenable number.

12864156 is an abundant number, since it is smaller than the sum of its proper divisors (17308644).

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

12864156 is a wasteful number, since it uses less digits than its factorization.

12864156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 5591 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12864156 is about 3586.6636307298. The cubic root of 12864156 is about 234.3115872534.

The spelling of 12864156 in words is "twelve million, eight hundred sixty-four thousand, one hundred fifty-six".