12791323 has 2 divisors, whose sum is σ = 12791324. Its totient is φ = 12791322.

The previous prime is 12791309. The next prime is 12791333. The reversal of 12791323 is 32319721.

12791323 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12791323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12791291 and 12791300.

It is not a weakly prime, because it can be changed into another prime (12791333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395661 + 6395662.

It is an arithmetic number, because the mean of its divisors is an integer number (6395662).

Almost surely, 2^12791323 is an apocalyptic number.

12791323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12791323 is an equidigital number, since it uses as much as digits as its factorization.

12791323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12791323 is about 3576.4959108043. The cubic root of 12791323 is about 233.8685493963.

The spelling of 12791323 in words is "twelve million, seven hundred ninety-one thousand, three hundred twenty-three".