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12227 is a prime number
BaseRepresentation
bin10111111000011
3121202212
42333003
5342402
6132335
750435
oct27703
917685
1012227
119206
1270ab
135747
144655
153952
hex2fc3

12227 has 2 divisors, whose sum is σ = 12228. Its totient is φ = 12226.

The previous prime is 12211. The next prime is 12239. The reversal of 12227 is 72221.

It is a strong prime.

It is an emirp because it is prime and its reverse (72221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12227 - 24 = 12211 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (12277) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113 + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (6114).

212227 is an apocalyptic number.

12227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12227 is an equidigital number, since it uses as much as digits as its factorization.

12227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 14.

The square root of 12227 is about 110.5757658802. The cubic root of 12227 is about 23.0377452060.

Adding to 12227 its reverse (72221), we get a palindrome (84448).

The spelling of 12227 in words is "twelve thousand, two hundred twenty-seven", and thus it is an iban number.