12580256 has 24 divisors (see below), whose sum is σ = 26673444. Its totient is φ = 5806080.

The previous prime is 12580237. The next prime is 12580273. The reversal of 12580256 is 65208521.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 1795600 = 3284^2 + 1340^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14705 + ... + 15536.

Almost surely, 2^12580256 is an apocalyptic number.

12580256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12580256 is an abundant number, since it is smaller than the sum of its proper divisors (14093188).

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

12580256 is a wasteful number, since it uses less digits than its factorization.

12580256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264 (or 30256 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12580256 is about 3546.8656585780. The cubic root of 12580256 is about 232.5750696041.

Adding to 12580256 its reverse (65208521), we get a palindrome (77788777).

The spelling of 12580256 in words is "twelve million, five hundred eighty thousand, two hundred fifty-six".