12853644 has 24 divisors (see below), whose sum is σ = 30050160. Its totient is φ = 4276224.

The previous prime is 12853601. The next prime is 12853657. The reversal of 12853644 is 44635821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10572 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (1252090).

Almost surely, 2^12853644 is an apocalyptic number.

It is an amenable number.

12853644 is an abundant number, since it is smaller than the sum of its proper divisors (17196516).

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

12853644 is a wasteful number, since it uses less digits than its factorization.

12853644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2087 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 12853644 is about 3585.1979024874. The cubic root of 12853644 is about 234.2477469565.

The spelling of 12853644 in words is "twelve million, eight hundred fifty-three thousand, six hundred forty-four".