12075191 has 2 divisors, whose sum is σ = 12075192. Its totient is φ = 12075190.

The previous prime is 12075181. The next prime is 12075199. The reversal of 12075191 is 19157021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12075191 - 2¹⁸ = 11813047 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12075191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12075199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037595 + 6037596.

It is an arithmetic number, because the mean of its divisors is an integer number (6037596).

Almost surely, 2^12075191 is an apocalyptic number.

12075191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12075191 is an equidigital number, since it uses as much as digits as its factorization.

12075191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 12075191 is about 3474.9375533957. The cubic root of 12075191 is about 229.4200321665.

The spelling of 12075191 in words is "twelve million, seventy-five thousand, one hundred ninety-one".