12969329 has 2 divisors, whose sum is σ = 12969330. Its totient is φ = 12969328.

The previous prime is 12969323. The next prime is 12969371. The reversal of 12969329 is 92396921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6492304 + 6477025 = 2548^2 + 2545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12969329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12969323) 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, 6484664 + 6484665.

It is an arithmetic number, because the mean of its divisors is an integer number (6484665).

Almost surely, 2^12969329 is an apocalyptic number.

It is an amenable number.

12969329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12969329 is an equidigital number, since it uses as much as digits as its factorization.

12969329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 12969329 is about 3601.2954613583. The cubic root of 12969329 is about 234.9484057549.

The spelling of 12969329 in words is "twelve million, nine hundred sixty-nine thousand, three hundred twenty-nine".