12506947 has 2 divisors, whose sum is σ = 12506948. Its totient is φ = 12506946.

The previous prime is 12506941. The next prime is 12506969. The reversal of 12506947 is 74960521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12506947 - 2²³ = 4118339 is a prime.

It is not a weakly prime, because it can be changed into another prime (12506941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253473 + 6253474.

It is an arithmetic number, because the mean of its divisors is an integer number (6253474).

Almost surely, 2^12506947 is an apocalyptic number.

12506947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12506947 is an equidigital number, since it uses as much as digits as its factorization.

12506947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12506947 is about 3536.5162236303. The cubic root of 12506947 is about 232.1224272086.

The spelling of 12506947 in words is "twelve million, five hundred six thousand, nine hundred forty-seven".