12564017 has 2 divisors, whose sum is σ = 12564018. Its totient is φ = 12564016.

The previous prime is 12564011. The next prime is 12564061. The reversal of 12564017 is 71046521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 2835856 = 3119^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 12564017 - 2⁴ = 12564001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12564011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282008 + 6282009.

It is an arithmetic number, because the mean of its divisors is an integer number (6282009).

Almost surely, 2^12564017 is an apocalyptic number.

It is an amenable number.

12564017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12564017 is an equidigital number, since it uses as much as digits as its factorization.

12564017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12564017 is about 3544.5757150892. The cubic root of 12564017 is about 232.4749547154.

The spelling of 12564017 in words is "twelve million, five hundred sixty-four thousand, seventeen".