12728794 has 16 divisors (see below), whose sum is σ = 20871648. Its totient is φ = 5786352.

The previous prime is 12728773. The next prime is 12728831. The reversal of 12728794 is 49782721.

12728794 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 7 ways as a sum of consecutive naturals, for example, 1912 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (1304478).

Almost surely, 2^12728794 is an apocalyptic number.

12728794 is a deficient number, since it is larger than the sum of its proper divisors (8142854).

12728794 is a wasteful number, since it uses less digits than its factorization.

12728794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389.

The product of its digits is 56448, while the sum is 40.

The square root of 12728794 is about 3567.7435445951. The cubic root of 12728794 is about 233.4868463719.

The spelling of 12728794 in words is "twelve million, seven hundred twenty-eight thousand, seven hundred ninety-four".