12979756 has 6 divisors (see below), whose sum is σ = 22714580. Its totient is φ = 6489876.

The previous prime is 12979727. The next prime is 12979777. The reversal of 12979756 is 65797921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622466 + ... + 1622473.

Almost surely, 2^12979756 is an apocalyptic number.

It is an amenable number.

12979756 is a deficient number, since it is larger than the sum of its proper divisors (9734824).

12979756 is a wasteful number, since it uses less digits than its factorization.

12979756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244943 (or 3244941 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 12979756 is about 3602.7428440009. The cubic root of 12979756 is about 235.0113530052.

The spelling of 12979756 in words is "twelve million, nine hundred seventy-nine thousand, seven hundred fifty-six".