12356144 has 20 divisors (see below), whose sum is σ = 25348824. Its totient is φ = 5814528.

The previous prime is 12356143. The next prime is 12356147. The reversal of 12356144 is 44165321.

It is not an unprimeable number, because it can be changed into a prime (12356143) 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, 22442 + ... + 22985.

Almost surely, 2^12356144 is an apocalyptic number.

It is an amenable number.

12356144 is an abundant number, since it is smaller than the sum of its proper divisors (12992680).

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

12356144 is a wasteful number, since it uses less digits than its factorization.

12356144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45452 (or 45446 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 12356144 is about 3515.1307230315. The cubic root of 12356144 is about 231.1857104948.

The spelling of 12356144 in words is "twelve million, three hundred fifty-six thousand, one hundred forty-four".