12839056 has 10 divisors (see below), whose sum is σ = 24875702. Its totient is φ = 6419520.

The previous prime is 12839023. The next prime is 12839087. The reversal of 12839056 is 65093821.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 2496400 = 3216^2 + 1580^2 .

It is a super-2 number, since 2×12839056² = 329682717942272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401205 + ... + 401236.

Almost surely, 2^12839056 is an apocalyptic number.

12839056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12839056 is a deficient number, since it is larger than the sum of its proper divisors (12036646).

12839056 is an equidigital number, since it uses as much as digits as its factorization.

12839056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802449 (or 802443 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12839056 is about 3583.1628486576. The cubic root of 12839056 is about 234.1590950610.

The spelling of 12839056 in words is "twelve million, eight hundred thirty-nine thousand, fifty-six".