12863264 has 24 divisors (see below), whose sum is σ = 26143488. Its totient is φ = 6223680.

The previous prime is 12863261. The next prime is 12863281. The reversal of 12863264 is 46236821.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12863264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5492 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (1089312).

Almost surely, 2^12863264 is an apocalyptic number.

It is an amenable number.

12863264 is an abundant number, since it is smaller than the sum of its proper divisors (13280224).

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

12863264 is a wasteful number, since it uses less digits than its factorization.

12863264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008 (or 13000 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12863264 is about 3586.5392790265. The cubic root of 12863264 is about 234.3061714099.

The spelling of 12863264 in words is "twelve million, eight hundred sixty-three thousand, two hundred sixty-four".