12585907 has 4 divisors (see below), whose sum is σ = 12991936. Its totient is φ = 12179880.

The previous prime is 12585889. The next prime is 12585931. The reversal of 12585907 is 70958521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12585907 - 2²³ = 4197299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12585977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202968 + ... + 203029.

It is an arithmetic number, because the mean of its divisors is an integer number (3247984).

Almost surely, 2^12585907 is an apocalyptic number.

12585907 is a deficient number, since it is larger than the sum of its proper divisors (406029).

12585907 is an equidigital number, since it uses as much as digits as its factorization.

12585907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406028.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 12585907 is about 3547.6621879768. The cubic root of 12585907 is about 232.6098883173.

The spelling of 12585907 in words is "twelve million, five hundred eighty-five thousand, nine hundred seven".