13749256 has 16 divisors (see below), whose sum is σ = 25819200. Its totient is φ = 6864144.

The previous prime is 13749251. The next prime is 13749257. The reversal of 13749256 is 65294731.

It is not an unprimeable number, because it can be changed into a prime (13749251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9765 + ... + 11083.

It is an arithmetic number, because the mean of its divisors is an integer number (1613700).

Almost surely, 2^13749256 is an apocalyptic number.

It is an amenable number.

13749256 is a deficient number, since it is larger than the sum of its proper divisors (12069944).

13749256 is a wasteful number, since it uses less digits than its factorization.

13749256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2624 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 13749256 is about 3707.9989212512. The cubic root of 13749256 is about 239.5666717857.

The spelling of 13749256 in words is "thirteen million, seven hundred forty-nine thousand, two hundred fifty-six".