12385944 has 24 divisors (see below), whose sum is σ = 33545460. Its totient is φ = 4128624.

The previous prime is 12385939. The next prime is 12385963. The reversal of 12385944 is 44958321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12385944² = 306823217542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12385899 and 12385908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85942 + ... + 86085.

Almost surely, 2^12385944 is an apocalyptic number.

It is an amenable number.

12385944 is an abundant number, since it is smaller than the sum of its proper divisors (21159516).

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

12385944 is a wasteful number, since it uses less digits than its factorization.

12385944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172039 (or 172032 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12385944 is about 3519.3669885364. The cubic root of 12385944 is about 231.3714157633.

The spelling of 12385944 in words is "twelve million, three hundred eighty-five thousand, nine hundred forty-four".