12882269 has 2 divisors, whose sum is σ = 12882270. Its totient is φ = 12882268.

The previous prime is 12882251. The next prime is 12882271. The reversal of 12882269 is 96228821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 3960100 = 2987^2 + 1990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12882269 is a prime.

It is a super-2 number, since 2×12882269² = 331905709176722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12882271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12882239) 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, 6441134 + 6441135.

It is an arithmetic number, because the mean of its divisors is an integer number (6441135).

Almost surely, 2^12882269 is an apocalyptic number.

It is an amenable number.

12882269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12882269 is an equidigital number, since it uses as much as digits as its factorization.

12882269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 12882269 is about 3589.1877911305. The cubic root of 12882269 is about 234.4215075471.

The spelling of 12882269 in words is "twelve million, eight hundred eighty-two thousand, two hundred sixty-nine".