13921832 has 16 divisors (see below), whose sum is σ = 27477600. Its totient is φ = 6594480.

The previous prime is 13921819. The next prime is 13921849. The reversal of 13921832 is 23812931.

It is a junction number, because it is equal to n+sod(n) for n = 13921795 and 13921804.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45644 + ... + 45947.

It is an arithmetic number, because the mean of its divisors is an integer number (1717350).

Almost surely, 2^13921832 is an apocalyptic number.

It is an amenable number.

13921832 is a deficient number, since it is larger than the sum of its proper divisors (13555768).

13921832 is a wasteful number, since it uses less digits than its factorization.

13921832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91616 (or 91612 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13921832 is about 3731.1971269286. The cubic root of 13921832 is about 240.5648270745.

The spelling of 13921832 in words is "thirteen million, nine hundred twenty-one thousand, eight hundred thirty-two".