13440748 has 12 divisors (see below), whose sum is σ = 23550912. Its totient is φ = 6711920.

The previous prime is 13440709. The next prime is 13440751. The reversal of 13440748 is 84704431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1962576).

Almost surely, 2^13440748 is an apocalyptic number.

It is an amenable number.

13440748 is a deficient number, since it is larger than the sum of its proper divisors (10110164).

13440748 is a wasteful number, since it uses less digits than its factorization.

13440748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4230 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 13440748 is about 3666.1625714090. The cubic root of 13440748 is about 237.7612887962.

The spelling of 13440748 in words is "thirteen million, four hundred forty thousand, seven hundred forty-eight".