12855456 has 48 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 4284864.

The previous prime is 12855449. The next prime is 12855463. The reversal of 12855456 is 65455821.

It is an interprime number because it is at equal distance from previous prime (12855449) and next prime (12855463).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12855456.

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, 6576 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^12855456 is an apocalyptic number.

12855456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12855456 is an abundant number, since it is smaller than the sum of its proper divisors (24642144).

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

12855456 is a wasteful number, since it uses less digits than its factorization.

12855456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898 (or 14884 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 12855456 is about 3585.4505992971. The cubic root of 12855456 is about 234.2587538734.

The spelling of 12855456 in words is "twelve million, eight hundred fifty-five thousand, four hundred fifty-six".