12641607 has 24 divisors (see below), whose sum is σ = 20077200. Its totient is φ = 7601280.

The previous prime is 12641567. The next prime is 12641609. The reversal of 12641607 is 70614621.

12641607 is a `hidden beast` number, since 12 + 6 + 41 + 607 = 666.

It is not a de Polignac number, because 12641607 - 2⁸ = 12641351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14323 + ... + 15179.

It is an arithmetic number, because the mean of its divisors is an integer number (836550).

Almost surely, 2^12641607 is an apocalyptic number.

12641607 is a deficient number, since it is larger than the sum of its proper divisors (7435593).

12641607 is a wasteful number, since it uses less digits than its factorization.

12641607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12641607 is about 3555.5037617755. The cubic root of 12641607 is about 232.9525282891.

The spelling of 12641607 in words is "twelve million, six hundred forty-one thousand, six hundred seven".