13909232 has 20 divisors (see below), whose sum is σ = 27025056. Its totient is φ = 6935040.

The previous prime is 13909211. The next prime is 13909237. The reversal of 13909232 is 23290931.

13909232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13909195 and 13909204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13909237) 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, 5888 + ... + 7904.

Almost surely, 2^13909232 is an apocalyptic number.

It is an amenable number.

13909232 is a deficient number, since it is larger than the sum of its proper divisors (13115824).

13909232 is a wasteful number, since it uses less digits than its factorization.

13909232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13909232 is about 3729.5082785804. The cubic root of 13909232 is about 240.4922305053.

It can be divided in two parts, 13909 and 232, that added together give a palindrome (14141).

The spelling of 13909232 in words is "thirteen million, nine hundred nine thousand, two hundred thirty-two".