13185355 has 8 divisors (see below), whose sum is σ = 15852672. Its totient is φ = 10528128.

The previous prime is 13185349. The next prime is 13185377. The reversal of 13185355 is 55358131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13185355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (1981584).

Almost surely, 2^13185355 is an apocalyptic number.

13185355 is the 2965-th pentagonal number.

13185355 is a deficient number, since it is larger than the sum of its proper divisors (2667317).

13185355 is an equidigital number, since it uses as much as digits as its factorization.

13185355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its digits is 9000, while the sum is 31.

The square root of 13185355 is about 3631.1644137935. The cubic root of 13185355 is about 236.2457162610.

The spelling of 13185355 in words is "thirteen million, one hundred eighty-five thousand, three hundred fifty-five".