13944576 has 72 divisors (see below), whose sum is σ = 37805824. Its totient is φ = 4561920.

The previous prime is 13944569. The next prime is 13944577. The reversal of 13944576 is 67544931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944577) 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, 51321 + ... + 51591.

Almost surely, 2^13944576 is an apocalyptic number.

13944576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13944576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18902912).

13944576 is an abundant number, since it is smaller than the sum of its proper divisors (23861248).

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

13944576 is an equidigital number, since it uses as much as digits as its factorization.

13944576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 343 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 13944576 is about 3734.2436985285. The cubic root of 13944576 is about 240.6957588272.

The spelling of 13944576 in words is "thirteen million, nine hundred forty-four thousand, five hundred seventy-six".