12423613 has 2 divisors, whose sum is σ = 12423614. Its totient is φ = 12423612.

The previous prime is 12423581. The next prime is 12423623. The reversal of 12423613 is 31632421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 334084 = 3477^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423613 - 2⁵ = 12423581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211806 + 6211807.

It is an arithmetic number, because the mean of its divisors is an integer number (6211807).

Almost surely, 2^12423613 is an apocalyptic number.

It is an amenable number.

12423613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423613 is an equidigital number, since it uses as much as digits as its factorization.

12423613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 12423613 is about 3524.7145983753. The cubic root of 12423613 is about 231.6057326991.

The spelling of 12423613 in words is "twelve million, four hundred twenty-three thousand, six hundred thirteen".