12085856 has 24 divisors (see below), whose sum is σ = 24830064. Its totient is φ = 5779840.

The previous prime is 12085849. The next prime is 12085859. The reversal of 12085856 is 65858021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12085859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 8946.

It is an arithmetic number, because the mean of its divisors is an integer number (1034586).

Almost surely, 2^12085856 is an apocalyptic number.

12085856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12085856 is an abundant number, since it is smaller than the sum of its proper divisors (12744208).

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

12085856 is a wasteful number, since it uses less digits than its factorization.

12085856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454 (or 16446 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 12085856 is about 3476.4717746589. The cubic root of 12085856 is about 229.4875547604.

The spelling of 12085856 in words is "twelve million, eighty-five thousand, eight hundred fifty-six".