13085191 has 16 divisors (see below), whose sum is σ = 15482880. Its totient is φ = 10825920.

The previous prime is 13085179. The next prime is 13085209. The reversal of 13085191 is 19158031.

13085191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13085191 - 2⁵ = 13085159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36270 + ... + 36628.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^13085191 is an apocalyptic number.

13085191 is a deficient number, since it is larger than the sum of its proper divisors (2397689).

13085191 is a wasteful number, since it uses less digits than its factorization.

13085191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 13085191 is about 3617.3458502056. The cubic root of 13085191 is about 235.6459728228.

The spelling of 13085191 in words is "thirteen million, eighty-five thousand, one hundred ninety-one".