12922423 has 8 divisors (see below), whose sum is σ = 13193600. Its totient is φ = 12653280.

The previous prime is 12922417. The next prime is 12922433. The reversal of 12922423 is 32422921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12922423 - 2⁹ = 12921911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922433) 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 in 7 ways as a sum of consecutive naturals, for example, 20986 + ... + 21592.

It is an arithmetic number, because the mean of its divisors is an integer number (1649200).

Almost surely, 2^12922423 is an apocalyptic number.

12922423 is a deficient number, since it is larger than the sum of its proper divisors (271177).

12922423 is an equidigital number, since it uses as much as digits as its factorization.

12922423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its digits is 1728, while the sum is 25.

The square root of 12922423 is about 3594.7771836374. Note that the first 3 decimals coincide. The cubic root of 12922423 is about 234.6648186712.

The spelling of 12922423 in words is "twelve million, nine hundred twenty-two thousand, four hundred twenty-three".