11927171 has 2 divisors, whose sum is σ = 11927172. Its totient is φ = 11927170.

The previous prime is 11927137. The next prime is 11927177. The reversal of 11927171 is 17172911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11927171 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11927177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963585 + 5963586.

It is an arithmetic number, because the mean of its divisors is an integer number (5963586).

Almost surely, 2^11927171 is an apocalyptic number.

11927171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927171 is an equidigital number, since it uses as much as digits as its factorization.

11927171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 29.

The square root of 11927171 is about 3453.5736563739. The cubic root of 11927171 is about 228.4787506156.

The spelling of 11927171 in words is "eleven million, nine hundred twenty-seven thousand, one hundred seventy-one".