12564007 has 2 divisors, whose sum is σ = 12564008. Its totient is φ = 12564006.

The previous prime is 12564001. The next prime is 12564011. The reversal of 12564007 is 70046521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12564007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12564001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282003 + 6282004.

It is an arithmetic number, because the mean of its divisors is an integer number (6282004).

Almost surely, 2^12564007 is an apocalyptic number.

12564007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12564007 is an equidigital number, since it uses as much as digits as its factorization.

12564007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12564007 is about 3544.5743044828. The cubic root of 12564007 is about 232.4748930379.

The spelling of 12564007 in words is "twelve million, five hundred sixty-four thousand, seven".