13149744 has 80 divisors (see below), whose sum is σ = 36402432. Its totient is φ = 4080384.

The previous prime is 13149713. The next prime is 13149751. The reversal of 13149744 is 44794131.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47334 + ... + 47610.

Almost surely, 2^13149744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13149744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18201216).

13149744 is an abundant number, since it is smaller than the sum of its proper divisors (23252688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13149744 is a wasteful number, since it uses less digits than its factorization.

13149744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 13149744 is about 3626.2575749662. The cubic root of 13149744 is about 236.0328403978.

The spelling of 13149744 in words is "thirteen million, one hundred forty-nine thousand, seven hundred forty-four".