13164191 has 2 divisors, whose sum is σ = 13164192. Its totient is φ = 13164190.

The previous prime is 13164187. The next prime is 13164233. The reversal of 13164191 is 19146131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13164191 - 2² = 13164187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13164191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13164101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6582095 + 6582096.

It is an arithmetic number, because the mean of its divisors is an integer number (6582096).

Almost surely, 2^13164191 is an apocalyptic number.

13164191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13164191 is an equidigital number, since it uses as much as digits as its factorization.

13164191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 13164191 is about 3628.2490267345. The cubic root of 13164191 is about 236.1192481235.

The spelling of 13164191 in words is "thirteen million, one hundred sixty-four thousand, one hundred ninety-one".