12744685 has 8 divisors (see below), whose sum is σ = 15445656. Its totient is φ = 10094400.

The previous prime is 12744653. The next prime is 12744701. The reversal of 12744685 is 58644721.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 6702921 = 2458^2 + 2589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12744685 - 2⁵ = 12744653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12114 + ... + 13123.

It is an arithmetic number, because the mean of its divisors is an integer number (1930707).

Almost surely, 2^12744685 is an apocalyptic number.

It is an amenable number.

12744685 is a deficient number, since it is larger than the sum of its proper divisors (2700971).

12744685 is a wasteful number, since it uses less digits than its factorization.

12744685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25343.

The product of its digits is 53760, while the sum is 37.

The square root of 12744685 is about 3569.9698878282. The cubic root of 12744685 is about 233.5839699097.

The spelling of 12744685 in words is "twelve million, seven hundred forty-four thousand, six hundred eighty-five".