12916417 has 2 divisors, whose sum is σ = 12916418. Its totient is φ = 12916416.

The previous prime is 12916373. The next prime is 12916427. The reversal of 12916417 is 71461921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 638401 = 3504^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 12916417 - 2⁷ = 12916289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12916427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458208 + 6458209.

It is an arithmetic number, because the mean of its divisors is an integer number (6458209).

Almost surely, 2^12916417 is an apocalyptic number.

It is an amenable number.

12916417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12916417 is an equidigital number, since it uses as much as digits as its factorization.

12916417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 12916417 is about 3593.9417079302. The cubic root of 12916417 is about 234.6284577063.

The spelling of 12916417 in words is "twelve million, nine hundred sixteen thousand, four hundred seventeen".