12659944 has 32 divisors (see below), whose sum is σ = 26036640. Its totient is φ = 5723200.

The previous prime is 12659897. The next prime is 12659953. The reversal of 12659944 is 44995621.

It is a junction number, because it is equal to n+sod(n) for n = 12659897 and 12659906.

It is a congruent number.

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, 25539 + ... + 26029.

It is an arithmetic number, because the mean of its divisors is an integer number (813645).

Almost surely, 2^12659944 is an apocalyptic number.

It is an amenable number.

12659944 is an abundant number, since it is smaller than the sum of its proper divisors (13376696).

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

12659944 is a wasteful number, since it uses less digits than its factorization.

12659944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 797 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 12659944 is about 3558.0815055308. The cubic root of 12659944 is about 233.0651085645.

It can be divided in two parts, 12 and 659944, that added together give a palindrome (659956).

The spelling of 12659944 in words is "twelve million, six hundred fifty-nine thousand, nine hundred forty-four".