12275269 has 2 divisors, whose sum is σ = 12275270. Its totient is φ = 12275268.

The previous prime is 12275233. The next prime is 12275293. The reversal of 12275269 is 96257221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 544644 = 3425^2 + 738^2 .

It is an emirp because it is prime and its reverse (96257221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12275269 - 2⁷ = 12275141 is a prime.

It is a super-2 number, since 2×12275269² = 301364458044722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12275209) 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 as a sum of consecutive naturals, namely, 6137634 + 6137635.

It is an arithmetic number, because the mean of its divisors is an integer number (6137635).

Almost surely, 2^12275269 is an apocalyptic number.

It is an amenable number.

12275269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12275269 is an equidigital number, since it uses as much as digits as its factorization.

12275269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 12275269 is about 3503.6079974792. The cubic root of 12275269 is about 230.6802106589.

It can be divided in two parts, 12275 and 269, that added together give a square (12544 = 112²).

The spelling of 12275269 in words is "twelve million, two hundred seventy-five thousand, two hundred sixty-nine".