12977713 has 16 divisors (see below), whose sum is σ = 15431040. Its totient is φ = 10682496.

The previous prime is 12977707. The next prime is 12977717. The reversal of 12977713 is 31777921.

12977713 = T₄₂₇ + T₄₂₈ + ... + T₅₃₇.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12977713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12977717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22770 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (964440).

Almost surely, 2^12977713 is an apocalyptic number.

It is an amenable number.

12977713 is a deficient number, since it is larger than the sum of its proper divisors (2453327).

12977713 is an equidigital number, since it uses as much as digits as its factorization.

12977713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 18522, while the sum is 37.

The square root of 12977713 is about 3602.4592988679. The cubic root of 12977713 is about 234.9990221779. Note that the first 3 decimals are identical.

The spelling of 12977713 in words is "twelve million, nine hundred seventy-seven thousand, seven hundred thirteen".