13894443 has 16 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 9218088.

The previous prime is 13894429. The next prime is 13894481. The reversal of 13894443 is 34449831.

It is not a de Polignac number, because 13894443 - 2⁹ = 13893931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13894398 and 13894407.

It is not an unprimeable number, because it can be changed into a prime (13894483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4996 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^13894443 is an apocalyptic number.

13894443 is a deficient number, since it is larger than the sum of its proper divisors (6789717).

13894443 is a wasteful number, since it uses less digits than its factorization.

13894443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503 (or 2497 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 13894443 is about 3727.5250502176. The cubic root of 13894443 is about 240.4069657719.

It can be divided in two parts, 1389 and 4443, that added together give a cube (5832 = 18³).

The spelling of 13894443 in words is "thirteen million, eight hundred ninety-four thousand, four hundred forty-three".