12422993 has 8 divisors (see below), whose sum is σ = 13841280. Its totient is φ = 11052880.

The previous prime is 12422989. The next prime is 12422999. The reversal of 12422993 is 39922421.

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 12422993 - 2² = 12422989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12422999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11498 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (1730160).

Almost surely, 2^12422993 is an apocalyptic number.

It is an amenable number.

12422993 is a deficient number, since it is larger than the sum of its proper divisors (1418287).

12422993 is a wasteful number, since it uses less digits than its factorization.

12422993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24087.

The product of its digits is 7776, while the sum is 32.

The square root of 12422993 is about 3524.6266468947. The cubic root of 12422993 is about 231.6018798761.

The spelling of 12422993 in words is "twelve million, four hundred twenty-two thousand, nine hundred ninety-three".