12855472 has 20 divisors (see below), whose sum is σ = 28465936. Its totient is φ = 5509440.

The previous prime is 12855463. The next prime is 12855481. The reversal of 12855472 is 27455821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12855463) and next prime (12855481).

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, 57279 + ... + 57502.

Almost surely, 2^12855472 is an apocalyptic number.

It is an amenable number.

12855472 is an abundant number, since it is smaller than the sum of its proper divisors (15610464).

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

12855472 is a wasteful number, since it uses less digits than its factorization.

12855472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114796 (or 114790 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 12855472 is about 3585.4528305362. The cubic root of 12855472 is about 234.2588510601.

The spelling of 12855472 in words is "twelve million, eight hundred fifty-five thousand, four hundred seventy-two".