12339644 has 6 divisors (see below), whose sum is σ = 21594384. Its totient is φ = 6169820.

The previous prime is 12339631. The next prime is 12339653. The reversal of 12339644 is 44693321.

It is a self number, because there is not a number n which added to its sum of digits gives 12339644.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1542452 + ... + 1542459.

It is an arithmetic number, because the mean of its divisors is an integer number (3599064).

Almost surely, 2^12339644 is an apocalyptic number.

It is an amenable number.

12339644 is a deficient number, since it is larger than the sum of its proper divisors (9254740).

12339644 is a wasteful number, since it uses less digits than its factorization.

12339644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084915 (or 3084913 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 12339644 is about 3512.7829423407. The cubic root of 12339644 is about 231.0827586507.

The spelling of 12339644 in words is "twelve million, three hundred thirty-nine thousand, six hundred forty-four".