13738944 has 56 divisors (see below), whose sum is σ = 36657280. Its totient is φ = 4541184.

The previous prime is 13738943. The next prime is 13738961. The reversal of 13738944 is 44983731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13738943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31077 + ... + 31515.

Almost surely, 2^13738944 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 13738944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18328640).

13738944 is an abundant number, since it is smaller than the sum of its proper divisors (22918336).

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

13738944 is a wasteful number, since it uses less digits than its factorization.

13738944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 13738944 is about 3706.6081530154. The cubic root of 13738944 is about 239.5067648015.

The spelling of 13738944 in words is "thirteen million, seven hundred thirty-eight thousand, nine hundred forty-four".