13920099 has 8 divisors (see below), whose sum is σ = 18668112. Its totient is φ = 9226080.

The previous prime is 13920061. The next prime is 13920113. The reversal of 13920099 is 99002931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13920099 - 2¹³ = 13911907 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13920019) 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 7 ways as a sum of consecutive naturals, for example, 12892 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (2333514).

Almost surely, 2^13920099 is an apocalyptic number.

13920099 is a deficient number, since it is larger than the sum of its proper divisors (4748013).

13920099 is a wasteful number, since it uses less digits than its factorization.

13920099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26997.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 13920099 is about 3730.9648886046. The cubic root of 13920099 is about 240.5548447641.

The spelling of 13920099 in words is "thirteen million, nine hundred twenty thousand, ninety-nine".