13086191 has 4 divisors (see below), whose sum is σ = 13202112. Its totient is φ = 12970272.

The previous prime is 13086187. The next prime is 13086211. The reversal of 13086191 is 19168031.

It is a happy number.

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 13086191 - 2² = 13086187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57791 + ... + 58016.

It is an arithmetic number, because the mean of its divisors is an integer number (3300528).

Almost surely, 2^13086191 is an apocalyptic number.

13086191 is a deficient number, since it is larger than the sum of its proper divisors (115921).

13086191 is a wasteful number, since it uses less digits than its factorization.

13086191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115920.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 13086191 is about 3617.4840704556. The cubic root of 13086191 is about 235.6519755366.

The spelling of 13086191 in words is "thirteen million, eighty-six thousand, one hundred ninety-one".