12744725 has 24 divisors (see below), whose sum is σ = 19016640. Its totient is φ = 8277120.

The previous prime is 12744709. The next prime is 12744749. The reversal of 12744725 is 52744721.

It is not a de Polignac number, because 12744725 - 2⁴ = 12744709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12744691 and 12744700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (792360).

Almost surely, 2^12744725 is an apocalyptic number.

It is an amenable number.

12744725 is a deficient number, since it is larger than the sum of its proper divisors (6271915).

12744725 is a wasteful number, since it uses less digits than its factorization.

12744725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3864 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 12744725 is about 3569.9754901119. The cubic root of 12744725 is about 233.5842142821.

The spelling of 12744725 in words is "twelve million, seven hundred forty-four thousand, seven hundred twenty-five".