11712271 has 2 divisors, whose sum is σ = 11712272. Its totient is φ = 11712270.

The previous prime is 11712257. The next prime is 11712277. The reversal of 11712271 is 17221711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11712271 - 2¹⁹ = 11187983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11712277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5856135 + 5856136.

It is an arithmetic number, because the mean of its divisors is an integer number (5856136).

Almost surely, 2^11712271 is an apocalyptic number.

11712271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11712271 is an equidigital number, since it uses as much as digits as its factorization.

11712271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196, while the sum is 22.

The square root of 11712271 is about 3422.3195350522. The cubic root of 11712271 is about 227.0982063896.

Adding to 11712271 its reverse (17221711), we get a palindrome (28933982).

The spelling of 11712271 in words is "eleven million, seven hundred twelve thousand, two hundred seventy-one".