12113191 has 2 divisors, whose sum is σ = 12113192. Its totient is φ = 12113190.

The previous prime is 12113183. The next prime is 12113201. The reversal of 12113191 is 19131121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12113191 - 2³ = 12113183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12113291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056595 + 6056596.

It is an arithmetic number, because the mean of its divisors is an integer number (6056596).

Almost surely, 2^12113191 is an apocalyptic number.

12113191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113191 is an equidigital number, since it uses as much as digits as its factorization.

12113191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 19.

The square root of 12113191 is about 3480.4009826455. The cubic root of 12113191 is about 229.6604378100.

The spelling of 12113191 in words is "twelve million, one hundred thirteen thousand, one hundred ninety-one".