11271227 has 16 divisors (see below), whose sum is σ = 12895200. Its totient is φ = 9757440.

The previous prime is 11271223. The next prime is 11271229. The reversal of 11271227 is 72217211.

It is not a de Polignac number, because 11271227 - 2² = 11271223 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11271223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28193 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (805950).

Almost surely, 2^11271227 is an apocalyptic number.

11271227 is a deficient number, since it is larger than the sum of its proper divisors (1623973).

11271227 is a wasteful number, since it uses less digits than its factorization.

11271227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its digits is 392, while the sum is 23.

The square root of 11271227 is about 3357.2648093351. The cubic root of 11271227 is about 224.2110773447.

Adding to 11271227 its reverse (72217211), we get a palindrome (83488438).

The spelling of 11271227 in words is "eleven million, two hundred seventy-one thousand, two hundred twenty-seven".