12923329 has 2 divisors, whose sum is σ = 12923330. Its totient is φ = 12923328.

The previous prime is 12923297. The next prime is 12923333. The reversal of 12923329 is 92332921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 106929 = 3580^2 + 327^2 .

It is an emirp because it is prime and its reverse (92332921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12923329 - 2⁵ = 12923297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12923329.

It is not a weakly prime, because it can be changed into another prime (12923359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461664 + 6461665.

It is an arithmetic number, because the mean of its divisors is an integer number (6461665).

Almost surely, 2^12923329 is an apocalyptic number.

It is an amenable number.

12923329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12923329 is an equidigital number, since it uses as much as digits as its factorization.

12923329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 12923329 is about 3594.9031975840. The cubic root of 12923329 is about 234.6703027139.

The spelling of 12923329 in words is "twelve million, nine hundred twenty-three thousand, three hundred twenty-nine".