12864875 has 16 divisors (see below), whose sum is σ = 16230240. Its totient is φ = 10180000.

The previous prime is 12864853. The next prime is 12864877. The reversal of 12864875 is 57846821.

12864875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12864875 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12864877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12116 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (1014390).

Almost surely, 2^12864875 is an apocalyptic number.

12864875 is a deficient number, since it is larger than the sum of its proper divisors (3365365).

12864875 is a wasteful number, since it uses less digits than its factorization.

12864875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1125 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 12864875 is about 3586.7638617562. The cubic root of 12864875 is about 234.3159525325.

The spelling of 12864875 in words is "twelve million, eight hundred sixty-four thousand, eight hundred seventy-five".