13613135 has 8 divisors (see below), whose sum is σ = 16376256. Its totient is φ = 10863520.

The previous prime is 13613099. The next prime is 13613137. The reversal of 13613135 is 53131631.

It is a happy number.

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

It is not a de Polignac number, because 13613135 - 2⁶ = 13613071 is a prime.

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 13613135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004 + ... + 5313.

It is an arithmetic number, because the mean of its divisors is an integer number (2047032).

Almost surely, 2^13613135 is an apocalyptic number.

13613135 is a deficient number, since it is larger than the sum of its proper divisors (2763121).

13613135 is an equidigital number, since it uses as much as digits as its factorization.

13613135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753.

The product of its digits is 810, while the sum is 23.

The square root of 13613135 is about 3689.5982166084. The cubic root of 13613135 is about 238.7734587660.

Adding to 13613135 its reverse (53131631), we get a palindrome (66744766).

The spelling of 13613135 in words is "thirteen million, six hundred thirteen thousand, one hundred thirty-five".