13809095 has 4 divisors (see below), whose sum is σ = 16570920. Its totient is φ = 11047272.

The previous prime is 13809073. The next prime is 13809113. The reversal of 13809095 is 59090831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13809095 - 2⁶ = 13809031 is a prime.

It is a super-2 number, since 2×13809095² = 381382209438050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380905 + ... + 1380914.

It is an arithmetic number, because the mean of its divisors is an integer number (4142730).

Almost surely, 2^13809095 is an apocalyptic number.

13809095 is a deficient number, since it is larger than the sum of its proper divisors (2761825).

13809095 is an equidigital number, since it uses as much as digits as its factorization.

13809095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761824.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 13809095 is about 3716.0590684218. The cubic root of 13809095 is about 239.9137131941.

The spelling of 13809095 in words is "thirteen million, eight hundred nine thousand, ninety-five".