12977013 has 24 divisors (see below), whose sum is σ = 20605728. Its totient is φ = 7239456.

The previous prime is 12977009. The next prime is 12977017. The reversal of 12977013 is 31077921.

It is an interprime number because it is at equal distance from previous prime (12977009) and next prime (12977017).

It is not a de Polignac number, because 12977013 - 2² = 12977009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5295 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (858572).

Almost surely, 2^12977013 is an apocalyptic number.

It is an amenable number.

12977013 is a deficient number, since it is larger than the sum of its proper divisors (7628715).

12977013 is a wasteful number, since it uses less digits than its factorization.

12977013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12977013 is about 3602.3621417065. The cubic root of 12977013 is about 234.9947969272.

The spelling of 12977013 in words is "twelve million, nine hundred seventy-seven thousand, thirteen".