12584056 has 32 divisors (see below), whose sum is σ = 24306480. Its totient is φ = 6105600.

The previous prime is 12584017. The next prime is 12584071. The reversal of 12584056 is 65048521.

It is a super-2 number, since 2×12584056² = 316716930822272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52096 + ... + 52336.

Almost surely, 2^12584056 is an apocalyptic number.

It is an amenable number.

12584056 is a deficient number, since it is larger than the sum of its proper divisors (11722424).

12584056 is a wasteful number, since it uses less digits than its factorization.

12584056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12584056 is about 3547.4013023621. The cubic root of 12584056 is about 232.5984845037.

The spelling of 12584056 in words is "twelve million, five hundred eighty-four thousand, fifty-six".