13749448 has 16 divisors (see below), whose sum is σ = 26092080. Its totient is φ = 6791568.

The previous prime is 13749443. The next prime is 13749467. The reversal of 13749448 is 84494731.

It is a self number, because there is not a number n which added to its sum of digits gives 13749448.

It is not an unprimeable number, because it can be changed into a prime (13749443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9690 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (1630755).

Almost surely, 2^13749448 is an apocalyptic number.

It is an amenable number.

13749448 is a deficient number, since it is larger than the sum of its proper divisors (12342632).

13749448 is a wasteful number, since it uses less digits than its factorization.

13749448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20796 (or 20792 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 13749448 is about 3708.0248111360. The cubic root of 13749448 is about 239.5677869148.

The spelling of 13749448 in words is "thirteen million, seven hundred forty-nine thousand, four hundred forty-eight".