12617369 has 2 divisors, whose sum is σ = 12617370. Its totient is φ = 12617368.

The previous prime is 12617359. The next prime is 12617377. The reversal of 12617369 is 96371621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 262144 = 3515^2 + 512^2 .

It is an emirp because it is prime and its reverse (96371621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12617369 - 2⁸ = 12617113 is a prime.

It is a super-2 number, since 2×12617369² = 318396000964322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12617309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308684 + 6308685.

It is an arithmetic number, because the mean of its divisors is an integer number (6308685).

Almost surely, 2^12617369 is an apocalyptic number.

It is an amenable number.

12617369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617369 is an equidigital number, since it uses as much as digits as its factorization.

12617369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 12617369 is about 3552.0936080008. The cubic root of 12617369 is about 232.8035515591.

The spelling of 12617369 in words is "twelve million, six hundred seventeen thousand, three hundred sixty-nine".