13920184 has 16 divisors (see below), whose sum is σ = 26145720. Its totient is φ = 6948000.

The previous prime is 13920163. The next prime is 13920187. The reversal of 13920184 is 48102931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059 + ... + 7309.

Almost surely, 2^13920184 is an apocalyptic number.

It is an amenable number.

13920184 is a deficient number, since it is larger than the sum of its proper divisors (12225536).

13920184 is a wasteful number, since it uses less digits than its factorization.

13920184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13920184 is about 3730.9762797423. The cubic root of 13920184 is about 240.5553343947. Note that the first 3 decimals are identical.

The spelling of 13920184 in words is "thirteen million, nine hundred twenty thousand, one hundred eighty-four".