12243924 has 108 divisors (see below), whose sum is σ = 39338208. Its totient is φ = 3175200.

The previous prime is 12243899. The next prime is 12243937. The reversal of 12243924 is 42934221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19089 + ... + 19719.

Almost surely, 2^12243924 is an apocalyptic number.

12243924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12243924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19669104).

12243924 is an abundant number, since it is smaller than the sum of its proper divisors (27094284).

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

12243924 is a wasteful number, since it uses less digits than its factorization.

12243924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 654 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12243924 is about 3499.1318923413. The cubic root of 12243924 is about 230.4836953598.

The spelling of 12243924 in words is "twelve million, two hundred forty-three thousand, nine hundred twenty-four".