12855808 has 80 divisors (see below), whose sum is σ = 31230144. Its totient is φ = 5160960.

The previous prime is 12855797. The next prime is 12855809. The reversal of 12855808 is 80855821.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12855809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60823 + ... + 61033.

Almost surely, 2^12855808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12855808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15615072).

12855808 is an abundant number, since it is smaller than the sum of its proper divisors (18374336).

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

12855808 is an equidigital number, since it uses as much as digits as its factorization.

12855808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 12855808 is about 3585.4996862362. The cubic root of 12855808 is about 234.2608919624.

The spelling of 12855808 in words is "twelve million, eight hundred fifty-five thousand, eight hundred eight".