13989185 has 8 divisors (see below), whose sum is σ = 19185216. Its totient is φ = 9592560.

The previous prime is 13989179. The next prime is 13989193. The reversal of 13989185 is 58198931.

It is a happy number.

13989185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13989185 - 2¹⁶ = 13923649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199811 + ... + 199880.

It is an arithmetic number, because the mean of its divisors is an integer number (2398152).

Almost surely, 2^13989185 is an apocalyptic number.

It is an amenable number.

13989185 is a deficient number, since it is larger than the sum of its proper divisors (5196031).

13989185 is an equidigital number, since it uses as much as digits as its factorization.

13989185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399703.

The product of its digits is 77760, while the sum is 44.

The square root of 13989185 is about 3740.2118923933. The cubic root of 13989185 is about 240.9521492666.

The spelling of 13989185 in words is "thirteen million, nine hundred eighty-nine thousand, one hundred eighty-five".