13809195 has 12 divisors (see below), whose sum is σ = 23936016. Its totient is φ = 7364880.

The previous prime is 13809179. The next prime is 13809209. The reversal of 13809195 is 59190831.

It is a happy number.

It is not a de Polignac number, because 13809195 - 2⁴ = 13809179 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 153391 + ... + 153480.

It is an arithmetic number, because the mean of its divisors is an integer number (1994668).

Almost surely, 2^13809195 is an apocalyptic number.

13809195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13809195 is a deficient number, since it is larger than the sum of its proper divisors (10126821).

13809195 is a wasteful number, since it uses less digits than its factorization.

13809195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306882 (or 306879 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 13809195 is about 3716.0725235119. The cubic root of 13809195 is about 239.9142923128.

The spelling of 13809195 in words is "thirteen million, eight hundred nine thousand, one hundred ninety-five".