13513744 has 10 divisors (see below), whose sum is σ = 26182910. Its totient is φ = 6756864.

The previous prime is 13513733. The next prime is 13513751. The reversal of 13513744 is 44731531.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 640000 = 3588^2 + 800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422289 + ... + 422320.

It is an arithmetic number, because the mean of its divisors is an integer number (2618291).

Almost surely, 2^13513744 is an apocalyptic number.

It is an amenable number.

13513744 is a deficient number, since it is larger than the sum of its proper divisors (12669166).

13513744 is an equidigital number, since it uses as much as digits as its factorization.

13513744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844617 (or 844611 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 13513744 is about 3676.1044598869. The cubic root of 13513744 is about 238.1909349819.

The spelling of 13513744 in words is "thirteen million, five hundred thirteen thousand, seven hundred forty-four".