12744992 has 24 divisors (see below), whose sum is σ = 27022716. Its totient is φ = 5882112.

The previous prime is 12744961. The next prime is 12745009. The reversal of 12744992 is 29944721.

It can be written as a sum of positive squares in 2 ways, for example, as 12645136 + 99856 = 3556^2 + 316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14903 + ... + 15734.

Almost surely, 2^12744992 is an apocalyptic number.

It is an amenable number.

12744992 is an abundant number, since it is smaller than the sum of its proper divisors (14277724).

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

12744992 is a wasteful number, since it uses less digits than its factorization.

12744992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30660 (or 30652 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 12744992 is about 3570.0128851308. The cubic root of 12744992 is about 233.5858454550.

The spelling of 12744992 in words is "twelve million, seven hundred forty-four thousand, nine hundred ninety-two".