12815276 has 12 divisors (see below), whose sum is σ = 23150400. Its totient is φ = 6200880.

The previous prime is 12815269. The next prime is 12815281. The reversal of 12815276 is 67251821.

12815276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51551 + ... + 51798.

It is an arithmetic number, because the mean of its divisors is an integer number (1929200).

Almost surely, 2^12815276 is an apocalyptic number.

It is an amenable number.

12815276 is a deficient number, since it is larger than the sum of its proper divisors (10335124).

12815276 is a wasteful number, since it uses less digits than its factorization.

12815276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103384 (or 103382 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 12815276 is about 3579.8430133178. The cubic root of 12815276 is about 234.0144389269.

The spelling of 12815276 in words is "twelve million, eight hundred fifteen thousand, two hundred seventy-six".