12769331 has 2 divisors, whose sum is σ = 12769332. Its totient is φ = 12769330.

The previous prime is 12769319. The next prime is 12769333. The reversal of 12769331 is 13396721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12769331 - 2¹⁰ = 12768307 is a prime.

It is a super-2 number, since 2×12769331² = 326111628375122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12769333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12769333) 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, 6384665 + 6384666.

It is an arithmetic number, because the mean of its divisors is an integer number (6384666).

Almost surely, 2^12769331 is an apocalyptic number.

12769331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12769331 is an equidigital number, since it uses as much as digits as its factorization.

12769331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 12769331 is about 3573.4200704647. The cubic root of 12769331 is about 233.7344431867.

The spelling of 12769331 in words is "twelve million, seven hundred sixty-nine thousand, three hundred thirty-one".