13117895 has 8 divisors (see below), whose sum is σ = 17990304. Its totient is φ = 8995104.

The previous prime is 13117891. The next prime is 13117919. The reversal of 13117895 is 59871131.

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

It is a cyclic number.

It is not a de Polignac number, because 13117895 - 2² = 13117891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 374797 = 13117895 / (1 + 3 + 1 + 1 + 7 + 8 + 9 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187364 + ... + 187433.

It is an arithmetic number, because the mean of its divisors is an integer number (2248788).

Almost surely, 2^13117895 is an apocalyptic number.

13117895 is a deficient number, since it is larger than the sum of its proper divisors (4872409).

13117895 is an equidigital number, since it uses as much as digits as its factorization.

13117895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374809.

The product of its digits is 7560, while the sum is 35.

The square root of 13117895 is about 3621.8634706460. The cubic root of 13117895 is about 235.8421272496.

The spelling of 13117895 in words is "thirteen million, one hundred seventeen thousand, eight hundred ninety-five".