13136291 has 16 divisors (see below), whose sum is σ = 16174080. Its totient is φ = 10412160.

The previous prime is 13136267. The next prime is 13136293. The reversal of 13136291 is 19263131.

It is a de Polignac number, because none of the positive numbers 2^k-13136291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13136291.

It is not an unprimeable number, because it can be changed into a prime (13136293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6086 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^13136291 is an apocalyptic number.

13136291 is a deficient number, since it is larger than the sum of its proper divisors (3037789).

13136291 is a wasteful number, since it uses less digits than its factorization.

13136291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its digits is 972, while the sum is 26.

The square root of 13136291 is about 3624.4021575979. The cubic root of 13136291 is about 235.9523208765.

The spelling of 13136291 in words is "thirteen million, one hundred thirty-six thousand, two hundred ninety-one".