12232144 has 20 divisors (see below), whose sum is σ = 23837760. Its totient is φ = 6080480.

The previous prime is 12232141. The next prime is 12232151. The reversal of 12232144 is 44123221.

12232144 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 (12232141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (1191888).

Almost surely, 2^12232144 is an apocalyptic number.

It is an amenable number.

12232144 is a deficient number, since it is larger than the sum of its proper divisors (11605616).

12232144 is a wasteful number, since it uses less digits than its factorization.

12232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4452 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 12232144 is about 3497.4482126259. The cubic root of 12232144 is about 230.4097547632.

Adding to 12232144 its reverse (44123221), we get a palindrome (56355365).

The spelling of 12232144 in words is "twelve million, two hundred thirty-two thousand, one hundred forty-four".