12822243 has 8 divisors (see below), whose sum is σ = 19538688. Its totient is φ = 7326984.

The previous prime is 12822203. The next prime is 12822269. The reversal of 12822243 is 34222821.

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

It is not a de Polignac number, because 12822243 - 2⁶ = 12822179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12822203) 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, 305271 + ... + 305312.

It is an arithmetic number, because the mean of its divisors is an integer number (2442336).

Almost surely, 2^12822243 is an apocalyptic number.

12822243 is a deficient number, since it is larger than the sum of its proper divisors (6716445).

12822243 is an equidigital number, since it uses as much as digits as its factorization.

12822243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610593.

The product of its digits is 1536, while the sum is 24.

The square root of 12822243 is about 3580.8159684631. The cubic root of 12822243 is about 234.0568384100.

The spelling of 12822243 in words is "twelve million, eight hundred twenty-two thousand, two hundred forty-three".