12789976 has 16 divisors (see below), whose sum is σ = 24098040. Its totient is φ = 6363840.

The previous prime is 12789971. The next prime is 12789977. The reversal of 12789976 is 67998721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789971) 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, 2101 + ... + 5476.

Almost surely, 2^12789976 is an apocalyptic number.

It is an amenable number.

12789976 is a deficient number, since it is larger than the sum of its proper divisors (11308064).

12789976 is a wasteful number, since it uses less digits than its factorization.

12789976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794 (or 7790 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 12789976 is about 3576.3075930350. The cubic root of 12789976 is about 233.8603398729.

The spelling of 12789976 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred seventy-six".