12246191 has 2 divisors, whose sum is σ = 12246192. Its totient is φ = 12246190.

The previous prime is 12246187. The next prime is 12246211. The reversal of 12246191 is 19164221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12246191 - 2² = 12246187 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12246191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12246131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123095 + 6123096.

It is an arithmetic number, because the mean of its divisors is an integer number (6123096).

Almost surely, 2^12246191 is an apocalyptic number.

12246191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12246191 is an equidigital number, since it uses as much as digits as its factorization.

12246191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 12246191 is about 3499.4558148375. The cubic root of 12246191 is about 230.4979194025.

The spelling of 12246191 in words is "twelve million, two hundred forty-six thousand, one hundred ninety-one".