12864956 has 18 divisors (see below), whose sum is σ = 24379992. Its totient is φ = 5937360.

The previous prime is 12864949. The next prime is 12864959. The reversal of 12864956 is 65946821.

It is a happy number.

12864956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864959) 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, 8840 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (1354444).

Almost surely, 2^12864956 is an apocalyptic number.

It is an amenable number.

12864956 is a deficient number, since it is larger than the sum of its proper divisors (11515036).

12864956 is a wasteful number, since it uses less digits than its factorization.

12864956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061 (or 19046 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 12864956 is about 3586.7751532540. The cubic root of 12864956 is about 234.3164442992.

The spelling of 12864956 in words is "twelve million, eight hundred sixty-four thousand, nine hundred fifty-six".