12003191 has 2 divisors, whose sum is σ = 12003192. Its totient is φ = 12003190.

The previous prime is 12003179. The next prime is 12003197. The reversal of 12003191 is 19130021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12003191 - 2⁶ = 12003127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001595 + 6001596.

It is an arithmetic number, because the mean of its divisors is an integer number (6001596).

Almost surely, 2^12003191 is an apocalyptic number.

12003191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003191 is an equidigital number, since it uses as much as digits as its factorization.

12003191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12003191 is about 3464.5621657000. The cubic root of 12003191 is about 228.9631399519.

The spelling of 12003191 in words is "twelve million, three thousand, one hundred ninety-one".