12585016 has 16 divisors (see below), whose sum is σ = 23896800. Its totient is φ = 6212544.

The previous prime is 12585007. The next prime is 12585017. The reversal of 12585016 is 61058521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12585017) 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, 9325 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (1493550).

Almost surely, 2^12585016 is an apocalyptic number.

It is an amenable number.

12585016 is a deficient number, since it is larger than the sum of its proper divisors (11311784).

12585016 is a wasteful number, since it uses less digits than its factorization.

12585016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19998 (or 19994 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 12585016 is about 3547.5366101000. The cubic root of 12585016 is about 232.6043991009.

It can be divided in two parts, 1258 and 5016, that multiplied together give a triangular number (6310128 = T₃₅₅₂).

The spelling of 12585016 in words is "twelve million, five hundred eighty-five thousand, sixteen".