13900432 has 40 divisors (see below), whose sum is σ = 33150656. Its totient is φ = 5498496.

The previous prime is 13900429. The next prime is 13900433. The reversal of 13900432 is 23400931.

It is not an unprimeable number, because it can be changed into a prime (13900433) 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, 3318 + ... + 6229.

Almost surely, 2^13900432 is an apocalyptic number.

It is an amenable number.

13900432 is an abundant number, since it is smaller than the sum of its proper divisors (19250224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13900432 is a wasteful number, since it uses less digits than its factorization.

13900432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13900432 is about 3728.3283117236. The cubic root of 13900432 is about 240.4415021329.

The spelling of 13900432 in words is "thirteen million, nine hundred thousand, four hundred thirty-two".