12885944 has 16 divisors (see below), whose sum is σ = 24212520. Its totient is φ = 6429280.

The previous prime is 12885941. The next prime is 12885959. The reversal of 12885944 is 44958821.

It is a super-2 number, since 2×12885944² = 332095105542272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074 + ... + 5934.

Almost surely, 2^12885944 is an apocalyptic number.

It is an amenable number.

12885944 is a deficient number, since it is larger than the sum of its proper divisors (11326576).

12885944 is a wasteful number, since it uses less digits than its factorization.

12885944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3426 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 12885944 is about 3589.6997088893. The cubic root of 12885944 is about 234.4437970245.

The spelling of 12885944 in words is "twelve million, eight hundred eighty-five thousand, nine hundred forty-four".