13171135 has 4 divisors (see below), whose sum is σ = 15805368. Its totient is φ = 10536904.

The previous prime is 13171129. The next prime is 13171159. The reversal of 13171135 is 53117131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53117131 = 67 ⋅792793.

It is a cyclic number.

It is not a de Polignac number, because 13171135 - 2⁷ = 13171007 is a prime.

It is a Duffinian number.

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, 1317109 + ... + 1317118.

It is an arithmetic number, because the mean of its divisors is an integer number (3951342).

Almost surely, 2^13171135 is an apocalyptic number.

13171135 is a deficient number, since it is larger than the sum of its proper divisors (2634233).

13171135 is an equidigital number, since it uses as much as digits as its factorization.

13171135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634232.

The product of its digits is 315, while the sum is 22.

The square root of 13171135 is about 3629.2058359922. The cubic root of 13171135 is about 236.1607577980.

Adding to 13171135 its reverse (53117131), we get a palindrome (66288266).

The spelling of 13171135 in words is "thirteen million, one hundred seventy-one thousand, one hundred thirty-five".