12204993 has 4 divisors (see below), whose sum is σ = 16273328. Its totient is φ = 8136660.

The previous prime is 12204989. The next prime is 12205001. The reversal of 12204993 is 39940221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12204993 - 2² = 12204989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12204993.

It is not an unprimeable number, because it can be changed into a prime (12204953) 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 3 ways as a sum of consecutive naturals, for example, 2034163 + ... + 2034168.

It is an arithmetic number, because the mean of its divisors is an integer number (4068332).

Almost surely, 2^12204993 is an apocalyptic number.

It is an amenable number.

12204993 is a deficient number, since it is larger than the sum of its proper divisors (4068335).

12204993 is an equidigital number, since it uses as much as digits as its factorization.

12204993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068334.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 12204993 is about 3493.5645120707. The cubic root of 12204993 is about 230.2391526306.

The spelling of 12204993 in words is "twelve million, two hundred four thousand, nine hundred ninety-three".