12872768 has 28 divisors (see below), whose sum is σ = 25699212. Its totient is φ = 6397440.

The previous prime is 12872767. The next prime is 12872807. The reversal of 12872768 is 86727821.

It can be written as a sum of positive squares in 2 ways, for example, as 10705984 + 2166784 = 3272^2 + 1472^2 .

It is not an unprimeable number, because it can be changed into a prime (12872767) 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, 12098 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (917829).

Almost surely, 2^12872768 is an apocalyptic number.

It is an amenable number.

12872768 is a deficient number, since it is larger than the sum of its proper divisors (12826444).

12872768 is a wasteful number, since it uses less digits than its factorization.

12872768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1220 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 12872768 is about 3587.8639885035. The cubic root of 12872768 is about 234.3638627715.

The spelling of 12872768 in words is "twelve million, eight hundred seventy-two thousand, seven hundred sixty-eight".