13165535 has 4 divisors (see below), whose sum is σ = 15798648. Its totient is φ = 10532424.

The previous prime is 13165513. The next prime is 13165541. The reversal of 13165535 is 53556131.

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

It is a cyclic number.

It is not a de Polignac number, because 13165535 - 2⁸ = 13165279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13165498 and 13165507.

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, 1316549 + ... + 1316558.

It is an arithmetic number, because the mean of its divisors is an integer number (3949662).

Almost surely, 2^13165535 is an apocalyptic number.

13165535 is a deficient number, since it is larger than the sum of its proper divisors (2633113).

13165535 is an equidigital number, since it uses as much as digits as its factorization.

13165535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633112.

The product of its digits is 6750, while the sum is 29.

The square root of 13165535 is about 3628.4342353142. The cubic root of 13165535 is about 236.1272833931.

The spelling of 13165535 in words is "thirteen million, one hundred sixty-five thousand, five hundred thirty-five".