12855852 has 18 divisors (see below), whose sum is σ = 32496828. Its totient is φ = 4285272.

The previous prime is 12855851. The next prime is 12855877. The reversal of 12855852 is 25855821.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 357107 = 12855852 / (1 + 2 + 8 + 5 + 5 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (12855851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178518 + ... + 178589.

Almost surely, 2^12855852 is an apocalyptic number.

12855852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12855852 is an abundant number, since it is smaller than the sum of its proper divisors (19640976).

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

12855852 is a wasteful number, since it uses less digits than its factorization.

12855852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357117 (or 357112 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 12855852 is about 3585.5058220564. The cubic root of 12855852 is about 234.2611592208.

The spelling of 12855852 in words is "twelve million, eight hundred fifty-five thousand, eight hundred fifty-two".