13943133 has 12 divisors (see below), whose sum is σ = 20177248. Its totient is φ = 9278280.

The previous prime is 13943107. The next prime is 13943141. The reversal of 13943133 is 33134931.

13943133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13943133 - 2⁵ = 13943101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13943097 and 13943106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13943143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5478 + ... + 7608.

Almost surely, 2^13943133 is an apocalyptic number.

It is an amenable number.

13943133 is a deficient number, since it is larger than the sum of its proper divisors (6234115).

13943133 is a wasteful number, since it uses less digits than its factorization.

13943133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2861 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 13943133 is about 3734.0504817155. The cubic root of 13943133 is about 240.6874560539.

The spelling of 13943133 in words is "thirteen million, nine hundred forty-three thousand, one hundred thirty-three".