12591707 has 2 divisors, whose sum is σ = 12591708. Its totient is φ = 12591706.

The previous prime is 12591671. The next prime is 12591727. The reversal of 12591707 is 70719521.

It is a strong prime.

It is an emirp because it is prime and its reverse (70719521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12591707 - 2⁶ = 12591643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12591727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6295853 + 6295854.

It is an arithmetic number, because the mean of its divisors is an integer number (6295854).

Almost surely, 2^12591707 is an apocalyptic number.

12591707 is a deficient number, since it is larger than the sum of its proper divisors (1).

12591707 is an equidigital number, since it uses as much as digits as its factorization.

12591707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12591707 is about 3548.4795335467. The cubic root of 12591707 is about 232.6456142596.

The spelling of 12591707 in words is "twelve million, five hundred ninety-one thousand, seven hundred seven".