13944183 has 8 divisors (see below), whose sum is σ = 20282496. Its totient is φ = 8451000.

The previous prime is 13944181. The next prime is 13944193. The reversal of 13944183 is 38144931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13944183 - 2¹ = 13944181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 422551 = 13944183 / (1 + 3 + 9 + 4 + 4 + 1 + 8 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944181) 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, 211243 + ... + 211308.

It is an arithmetic number, because the mean of its divisors is an integer number (2535312).

Almost surely, 2^13944183 is an apocalyptic number.

13944183 is a deficient number, since it is larger than the sum of its proper divisors (6338313).

13944183 is a wasteful number, since it uses less digits than its factorization.

13944183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422565.

The product of its digits is 10368, while the sum is 33.

The square root of 13944183 is about 3734.1910770607. The cubic root of 13944183 is about 240.6934976297.

The spelling of 13944183 in words is "thirteen million, nine hundred forty-four thousand, one hundred eighty-three".