12393744 has 40 divisors (see below), whose sum is σ = 34929312. Its totient is φ = 3755520.

The previous prime is 12393743. The next prime is 12393791. The reversal of 12393744 is 44739321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12393743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11209 + ... + 12264.

Almost surely, 2^12393744 is an apocalyptic number.

It is an amenable number.

12393744 is an abundant number, since it is smaller than the sum of its proper divisors (22535568).

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

12393744 is a wasteful number, since it uses less digits than its factorization.

12393744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23495 (or 23489 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 12393744 is about 3520.4749679553. The cubic root of 12393744 is about 231.4199739877.

The spelling of 12393744 in words is "twelve million, three hundred ninety-three thousand, seven hundred forty-four".