13363944 has 64 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 4013760.

The previous prime is 13363907. The next prime is 13363957. The reversal of 13363944 is 44936331.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 58759 + ... + 58985.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^13363944 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 13363944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

13363944 is an abundant number, since it is smaller than the sum of its proper divisors (23407896).

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

13363944 is a wasteful number, since it uses less digits than its factorization.

13363944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 466 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 13363944 is about 3655.6728518838. The cubic root of 13363944 is about 237.3075463994.

The spelling of 13363944 in words is "thirteen million, three hundred sixty-three thousand, nine hundred forty-four".