13944433 has 4 divisors (see below), whose sum is σ = 13951908. Its totient is φ = 13936960.

The previous prime is 13944407. The next prime is 13944439. The reversal of 13944433 is 33444931.

13944433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6589489 + 7354944 = 2567^2 + 2712^2 .

It is a cyclic number.

It is not a de Polignac number, because 13944433 - 2⁵ = 13944401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13944395 and 13944404.

It is not an unprimeable number, because it can be changed into a prime (13944439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (3487977).

Almost surely, 2^13944433 is an apocalyptic number.

It is an amenable number.

13944433 is a deficient number, since it is larger than the sum of its proper divisors (7475).

13944433 is an equidigital number, since it uses as much as digits as its factorization.

13944433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474.

The product of its digits is 15552, while the sum is 31.

The square root of 13944433 is about 3734.2245513627. The cubic root of 13944433 is about 240.6949360555.

The spelling of 13944433 in words is "thirteen million, nine hundred forty-four thousand, four hundred thirty-three".