12585416 has 16 divisors (see below), whose sum is σ = 24624000. Its totient is φ = 6019024.

The previous prime is 12585413. The next prime is 12585421. The reversal of 12585416 is 61458521.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12585413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34016 + ... + 34383.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^12585416 is an apocalyptic number.

It is an amenable number.

12585416 is a deficient number, since it is larger than the sum of its proper divisors (12038584).

12585416 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 12585416 = (25611845)₉.

12585416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68428 (or 68424 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 12585416 is about 3547.5929868011. The cubic root of 12585416 is about 232.6068634276.

The spelling of 12585416 in words is "twelve million, five hundred eighty-five thousand, four hundred sixteen".