11671227 has 6 divisors (see below), whose sum is σ = 16858452. Its totient is φ = 7780812.

The previous prime is 11671217. The next prime is 11671237. The reversal of 11671227 is 72217611.

It is an interprime number because it is at equal distance from previous prime (11671217) and next prime (11671237).

It is a de Polignac number, because none of the positive numbers 2^k-11671227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11671227.

It is not an unprimeable number, because it can be changed into a prime (11671207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648393 + ... + 648410.

It is an arithmetic number, because the mean of its divisors is an integer number (2809742).

Almost surely, 2^11671227 is an apocalyptic number.

11671227 is a deficient number, since it is larger than the sum of its proper divisors (5187225).

11671227 is a wasteful number, since it uses less digits than its factorization.

11671227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296809 (or 1296806 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11671227 is about 3416.3177545422. The cubic root of 11671227 is about 226.8326180423.

Adding to 11671227 its reverse (72217611), we get a palindrome (83888838).

The spelling of 11671227 in words is "eleven million, six hundred seventy-one thousand, two hundred twenty-seven".