13835117 has 4 divisors (see below), whose sum is σ = 14312220. Its totient is φ = 13358016.

The previous prime is 13835069. The next prime is 13835137. The reversal of 13835117 is 71153831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4218916 + 9616201 = 2054^2 + 3101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13835117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 477073 = 13835117 / (1 + 3 + 8 + 3 + 5 + 1 + 1 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13835117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13835137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238508 + ... + 238565.

It is an arithmetic number, because the mean of its divisors is an integer number (3578055).

Almost surely, 2^13835117 is an apocalyptic number.

It is an amenable number.

13835117 is a deficient number, since it is larger than the sum of its proper divisors (477103).

13835117 is an equidigital number, since it uses as much as digits as its factorization.

13835117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477102.

The product of its digits is 2520, while the sum is 29.

The square root of 13835117 is about 3719.5587103849. The cubic root of 13835117 is about 240.0643172529.

Adding to 13835117 its reverse (71153831), we get a palindrome (84988948).

The spelling of 13835117 in words is "thirteen million, eight hundred thirty-five thousand, one hundred seventeen".