12443724 has 18 divisors (see below), whose sum is σ = 31455060. Its totient is φ = 4147896.

The previous prime is 12443719. The next prime is 12443731. The reversal of 12443724 is 42734421.

12443724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172794 + ... + 172865.

Almost surely, 2^12443724 is an apocalyptic number.

It is an amenable number.

12443724 is an abundant number, since it is smaller than the sum of its proper divisors (19011336).

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

12443724 is a wasteful number, since it uses less digits than its factorization.

12443724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345669 (or 345664 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 12443724 is about 3527.5662998730. The cubic root of 12443724 is about 231.7306376369.

The spelling of 12443724 in words is "twelve million, four hundred forty-three thousand, seven hundred twenty-four".