12400585 has 8 divisors (see below), whose sum is σ = 14970816. Its totient is φ = 9860400.

The previous prime is 12400571. The next prime is 12400601. The reversal of 12400585 is 58500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12400585 - 2⁷ = 12400457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6591 + ... + 8260.

It is an arithmetic number, because the mean of its divisors is an integer number (1871352).

Almost surely, 2^12400585 is an apocalyptic number.

It is an amenable number.

12400585 is a deficient number, since it is larger than the sum of its proper divisors (2570231).

12400585 is a wasteful number, since it uses less digits than its factorization.

12400585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12400585 is about 3521.4464357704. The cubic root of 12400585 is about 231.4625452733.

The spelling of 12400585 in words is "twelve million, four hundred thousand, five hundred eighty-five".