13932432 has 40 divisors (see below), whose sum is σ = 39992480. Its totient is φ = 4644000.

The previous prime is 13932407. The next prime is 13932433. The reversal of 13932432 is 23423931.

It is a happy number.

It is a super-2 number, since 2×13932432² = 388225322869248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13932396 and 13932405.

It is not an unprimeable number, because it can be changed into a prime (13932433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15694 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (999812).

Almost surely, 2^13932432 is an apocalyptic number.

13932432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13932432 is an abundant number, since it is smaller than the sum of its proper divisors (26060048).

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

13932432 is a wasteful number, since it uses less digits than its factorization.

13932432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268 (or 32256 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13932432 is about 3732.6173122891. The cubic root of 13932432 is about 240.6258664612.

The spelling of 13932432 in words is "thirteen million, nine hundred thirty-two thousand, four hundred thirty-two".