12006187 has 2 divisors, whose sum is σ = 12006188. Its totient is φ = 12006186.

The previous prime is 12006179. The next prime is 12006193. The reversal of 12006187 is 78160021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12006187 - 2³ = 12006179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12006587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003093 + 6003094.

It is an arithmetic number, because the mean of its divisors is an integer number (6003094).

Almost surely, 2^12006187 is an apocalyptic number.

12006187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006187 is an equidigital number, since it uses as much as digits as its factorization.

12006187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12006187 is about 3464.9945165902. The cubic root of 12006187 is about 228.9821881228.

The spelling of 12006187 in words is "twelve million, six thousand, one hundred eighty-seven".