12243724 has 6 divisors (see below), whose sum is σ = 21426524. Its totient is φ = 6121860.

The previous prime is 12243709. The next prime is 12243743. The reversal of 12243724 is 42734221.

It is a happy number.

12243724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530462 + ... + 1530469.

Almost surely, 2^12243724 is an apocalyptic number.

It is an amenable number.

12243724 is a deficient number, since it is larger than the sum of its proper divisors (9182800).

12243724 is a wasteful number, since it uses less digits than its factorization.

12243724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060935 (or 3060933 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 12243724 is about 3499.1033137077. The cubic root of 12243724 is about 230.4824403975.

Adding to 12243724 its reverse (42734221), we get a palindrome (54977945).

The spelling of 12243724 in words is "twelve million, two hundred forty-three thousand, seven hundred twenty-four".