12423744 has 42 divisors (see below), whose sum is σ = 35612070. Its totient is φ = 4141056.

The previous prime is 12423731. The next prime is 12423751. The reversal of 12423744 is 44732421.

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 5198400 = 2688^2 + 2280^2 .

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, 10209 + ... + 11360.

Almost surely, 2^12423744 is an apocalyptic number.

It is an amenable number.

12423744 is an abundant number, since it is smaller than the sum of its proper divisors (23188326).

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

12423744 is a wasteful number, since it uses less digits than its factorization.

12423744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21587 (or 21574 counting only the distinct ones).

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

The square root of 12423744 is about 3524.7331813912. The cubic root of 12423744 is about 231.6065467468.

The spelling of 12423744 in words is "twelve million, four hundred twenty-three thousand, seven hundred forty-four".