12817307 has 2 divisors, whose sum is σ = 12817308. Its totient is φ = 12817306.

The previous prime is 12817213. The next prime is 12817339. The reversal of 12817307 is 70371821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12817307 - 2¹⁶ = 12751771 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12817307.

It is not a weakly prime, because it can be changed into another prime (12817367) 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, 6408653 + 6408654.

It is an arithmetic number, because the mean of its divisors is an integer number (6408654).

Almost surely, 2^12817307 is an apocalyptic number.

12817307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12817307 is an equidigital number, since it uses as much as digits as its factorization.

12817307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12817307 is about 3580.1266737366. The cubic root of 12817307 is about 234.0268006900.

The spelling of 12817307 in words is "twelve million, eight hundred seventeen thousand, three hundred seven".