12976417 has 2 divisors, whose sum is σ = 12976418. Its totient is φ = 12976416.

The previous prime is 12976391. The next prime is 12976451. The reversal of 12976417 is 71467921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 9216 = 3601^2 + 96^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12976417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12976517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488208 + 6488209.

It is an arithmetic number, because the mean of its divisors is an integer number (6488209).

Almost surely, 2^12976417 is an apocalyptic number.

It is an amenable number.

12976417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12976417 is an equidigital number, since it uses as much as digits as its factorization.

12976417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 12976417 is about 3602.2794172579. The cubic root of 12976417 is about 234.9911993083.

The spelling of 12976417 in words is "twelve million, nine hundred seventy-six thousand, four hundred seventeen".