12745444 has 12 divisors (see below), whose sum is σ = 23616684. Its totient is φ = 5997824.

The previous prime is 12745399. The next prime is 12745483. The reversal of 12745444 is 44454721.

12745444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 3564544 = 3030^2 + 1888^2 .

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, 93649 + ... + 93784.

It is an arithmetic number, because the mean of its divisors is an integer number (1968057).

Almost surely, 2^12745444 is an apocalyptic number.

It is an amenable number.

12745444 is a deficient number, since it is larger than the sum of its proper divisors (10871240).

12745444 is a wasteful number, since it uses less digits than its factorization.

12745444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187454 (or 187452 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 12745444 is about 3570.0761896632. The cubic root of 12745444 is about 233.5886067894.

The spelling of 12745444 in words is "twelve million, seven hundred forty-five thousand, four hundred forty-four".