13326191 has 2 divisors, whose sum is σ = 13326192. Its totient is φ = 13326190.

The previous prime is 13326169. The next prime is 13326199. The reversal of 13326191 is 19162331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13326191 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 13326191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13326199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6663095 + 6663096.

It is an arithmetic number, because the mean of its divisors is an integer number (6663096).

Almost surely, 2^13326191 is an apocalyptic number.

13326191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13326191 is an equidigital number, since it uses as much as digits as its factorization.

13326191 is an evil number, because the sum of its binary digits is even.

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

The square root of 13326191 is about 3650.5055814229. The cubic root of 13326191 is about 237.0838718741.

The spelling of 13326191 in words is "thirteen million, three hundred twenty-six thousand, one hundred ninety-one".