12191341 has 2 divisors, whose sum is σ = 12191342. Its totient is φ = 12191340.

The previous prime is 12191327. The next prime is 12191371. The reversal of 12191341 is 14319121.

12191341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 2735716 = 3075^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 12191341 - 2⁷ = 12191213 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 (12191371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095670 + 6095671.

It is an arithmetic number, because the mean of its divisors is an integer number (6095671).

Almost surely, 2^12191341 is an apocalyptic number.

It is an amenable number.

12191341 is a deficient number, since it is larger than the sum of its proper divisors (1).

12191341 is an equidigital number, since it uses as much as digits as its factorization.

12191341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

The square root of 12191341 is about 3491.6100870515. The cubic root of 12191341 is about 230.1532752742.

The spelling of 12191341 in words is "twelve million, one hundred ninety-one thousand, three hundred forty-one".