12636607 has 2 divisors, whose sum is σ = 12636608. Its totient is φ = 12636606.

The previous prime is 12636599. The next prime is 12636641. The reversal of 12636607 is 70663621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12636607 - 2³ = 12636599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12636707) 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, 6318303 + 6318304.

It is an arithmetic number, because the mean of its divisors is an integer number (6318304).

Almost surely, 2^12636607 is an apocalyptic number.

12636607 is a deficient number, since it is larger than the sum of its proper divisors (1).

12636607 is an equidigital number, since it uses as much as digits as its factorization.

12636607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 12636607 is about 3554.8005569933. The cubic root of 12636607 is about 232.9218118294.

The spelling of 12636607 in words is "twelve million, six hundred thirty-six thousand, six hundred seven".