12239644 has 6 divisors (see below), whose sum is σ = 21419384. Its totient is φ = 6119820.

The previous prime is 12239641. The next prime is 12239651. The reversal of 12239644 is 44693221.

It is a happy number.

12239644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529952 + ... + 1529959.

Almost surely, 2^12239644 is an apocalyptic number.

It is an amenable number.

12239644 is a deficient number, since it is larger than the sum of its proper divisors (9179740).

12239644 is a wasteful number, since it uses less digits than its factorization.

12239644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059915 (or 3059913 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 12239644 is about 3498.5202586236. The cubic root of 12239644 is about 230.4568361824.

The spelling of 12239644 in words is "twelve million, two hundred thirty-nine thousand, six hundred forty-four".