12584256 has 28 divisors (see below), whose sum is σ = 33296352. Its totient is φ = 4194688.

The previous prime is 12584227. The next prime is 12584261. The reversal of 12584256 is 65248521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32580 + ... + 32963.

Almost surely, 2^12584256 is an apocalyptic number.

12584256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12584256 is an abundant number, since it is smaller than the sum of its proper divisors (20712096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12584256 is an equidigital number, since it uses as much as digits as its factorization.

12584256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65558 (or 65548 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 12584256 is about 3547.4294918997. The cubic root of 12584256 is about 232.5997167362.

The spelling of 12584256 in words is "twelve million, five hundred eighty-four thousand, two hundred fifty-six".