12768724 has 6 divisors (see below), whose sum is σ = 22345274. Its totient is φ = 6384360.

The previous prime is 12768719. The next prime is 12768731. The reversal of 12768724 is 42786721.

12768724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 1140624 = 3410^2 + 1068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596087 + ... + 1596094.

Almost surely, 2^12768724 is an apocalyptic number.

It is an amenable number.

12768724 is a deficient number, since it is larger than the sum of its proper divisors (9576550).

12768724 is a wasteful number, since it uses less digits than its factorization.

12768724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192185 (or 3192183 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 12768724 is about 3573.3351368155. The cubic root of 12768724 is about 233.7307395456.

It can be divided in two parts, 1276 and 8724, that added together give a 4-th power (10000 = 10⁴).

The spelling of 12768724 in words is "twelve million, seven hundred sixty-eight thousand, seven hundred twenty-four".