12392923 has 4 divisors (see below), whose sum is σ = 12577960. Its totient is φ = 12207888.

The previous prime is 12392911. The next prime is 12392927. The reversal of 12392923 is 32929321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12392923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12392927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92418 + ... + 92551.

It is an arithmetic number, because the mean of its divisors is an integer number (3144490).

Almost surely, 2^12392923 is an apocalyptic number.

12392923 is a deficient number, since it is larger than the sum of its proper divisors (185037).

12392923 is an equidigital number, since it uses as much as digits as its factorization.

12392923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185036.

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

The square root of 12392923 is about 3520.3583624398. The cubic root of 12392923 is about 231.4148638828.

The spelling of 12392923 in words is "twelve million, three hundred ninety-two thousand, nine hundred twenty-three".