13998744 has 96 divisors (see below), whose sum is σ = 41496000. Its totient is φ = 4408992.

The previous prime is 13998737. The next prime is 13998773. The reversal of 13998744 is 44789931.

13998744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13998744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36747 + ... + 37125.

It is an arithmetic number, because the mean of its divisors is an integer number (432250).

Almost surely, 2^13998744 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 13998744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20748000).

13998744 is an abundant number, since it is smaller than the sum of its proper divisors (27497256).

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

13998744 is a wasteful number, since it uses less digits than its factorization.

13998744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 403 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13998744 is about 3741.4895429494. The cubic root of 13998744 is about 241.0070187289.

The spelling of 13998744 in words is "thirteen million, nine hundred ninety-eight thousand, seven hundred forty-four".