12855804 has 48 divisors (see below), whose sum is σ = 33718272. Its totient is φ = 3782592.

The previous prime is 12855797. The next prime is 12855809. The reversal of 12855804 is 40855821.

12855804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1797 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (702464).

Almost surely, 2^12855804 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 12855804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16859136).

12855804 is an abundant number, since it is smaller than the sum of its proper divisors (20862468).

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

12855804 is a wasteful number, since it uses less digits than its factorization.

12855804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 12855804 is about 3585.4991284339. The cubic root of 12855804 is about 234.2608676662.

The spelling of 12855804 in words is "twelve million, eight hundred fifty-five thousand, eight hundred four".