12917677 has 2 divisors, whose sum is σ = 12917678. Its totient is φ = 12917676.

The previous prime is 12917657. The next prime is 12917693. The reversal of 12917677 is 77671921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 841 = 3594^2 + 29^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12917677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12917627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458838 + 6458839.

It is an arithmetic number, because the mean of its divisors is an integer number (6458839).

Almost surely, 2^12917677 is an apocalyptic number.

It is an amenable number.

12917677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12917677 is an equidigital number, since it uses as much as digits as its factorization.

12917677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 40.

The square root of 12917677 is about 3594.1169986521. The cubic root of 12917677 is about 234.6360868149.

The spelling of 12917677 in words is "twelve million, nine hundred seventeen thousand, six hundred seventy-seven".