13081135 has 8 divisors (see below), whose sum is σ = 16380000. Its totient is φ = 10009824.

The previous prime is 13081099. The next prime is 13081153. The reversal of 13081135 is 53118031.

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 13081135 - 2²¹ = 10983983 is a prime.

It is a super-2 number, since 2×13081135² = 342232185776450, 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 7 ways as a sum of consecutive naturals, for example, 56760 + ... + 56989.

It is an arithmetic number, because the mean of its divisors is an integer number (2047500).

Almost surely, 2^13081135 is an apocalyptic number.

13081135 is a deficient number, since it is larger than the sum of its proper divisors (3298865).

13081135 is a wasteful number, since it uses less digits than its factorization.

13081135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113777.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 13081135 is about 3616.7851747097. The cubic root of 13081135 is about 235.6216226793.

Adding to 13081135 its reverse (53118031), we get a palindrome (66199166).

The spelling of 13081135 in words is "thirteen million, eighty-one thousand, one hundred thirty-five".