12744312 has 48 divisors (see below), whose sum is σ = 37065960. Its totient is φ = 3640896.

The previous prime is 12744289. The next prime is 12744331. The reversal of 12744312 is 21344721.

It is a happy number.

12744312 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 11 ways as a sum of consecutive naturals, for example, 4243 + ... + 6594.

Almost surely, 2^12744312 is an apocalyptic number.

12744312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12744312 is an abundant number, since it is smaller than the sum of its proper divisors (24321648).

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

12744312 is a wasteful number, since it uses less digits than its factorization.

12744312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860 (or 10849 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 12744312 is about 3569.9176461089. The cubic root of 12744312 is about 233.5816911121.

The spelling of 12744312 in words is "twelve million, seven hundred forty-four thousand, three hundred twelve".