11871227 has 2 divisors, whose sum is σ = 11871228. Its totient is φ = 11871226.

The previous prime is 11871221. The next prime is 11871229. The reversal of 11871227 is 72217811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11871227 - 2¹² = 11867131 is a prime.

Together with 11871229, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11871227.

It is not a weakly prime, because it can be changed into another prime (11871221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935613 + 5935614.

It is an arithmetic number, because the mean of its divisors is an integer number (5935614).

Almost surely, 2^11871227 is an apocalyptic number.

11871227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11871227 is an equidigital number, since it uses as much as digits as its factorization.

11871227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568, while the sum is 29.

The square root of 11871227 is about 3445.4647001529. The cubic root of 11871227 is about 228.1209666391.

The spelling of 11871227 in words is "eleven million, eight hundred seventy-one thousand, two hundred twenty-seven".