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BaseRepresentation
bin10111111101101
3121211102
42333231
5343034
6132445
750525
oct27755
917742
1012269
119244
127125
13577a
144685
15397e
hex2fed

12269 has 2 divisors, whose sum is σ = 12270. Its totient is φ = 12268.

The previous prime is 12263. The next prime is 12277. The reversal of 12269 is 96221.

It can be divided in two parts, 122 and 69, that added together give a palindrome (191).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12100 + 169 = 110^2 + 13^2 .

It is an emirp because it is prime and its reverse (96221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12269 - 24 = 12253 is a prime.

It is a super-2 number, since 2×122692 = 301056722, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 12269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6134 + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (6135).

212269 is an apocalyptic number.

It is an amenable number.

12269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12269 is an equidigital number, since it uses as much as digits as its factorization.

12269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 12269 is about 110.7655181002. The cubic root of 12269 is about 23.0640934385.

The spelling of 12269 in words is "twelve thousand, two hundred sixty-nine".