12798322 has 4 divisors (see below), whose sum is σ = 19197486. Its totient is φ = 6399160.

The previous prime is 12798311. The next prime is 12798323. The reversal of 12798322 is 22389721.

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

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 2819041 = 3159^2 + 1679^2 .

It is not an unprimeable number, because it can be changed into a prime (12798323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199579 + ... + 3199582.

Almost surely, 2^12798322 is an apocalyptic number.

12798322 is a deficient number, since it is larger than the sum of its proper divisors (6399164).

12798322 is an equidigital number, since it uses as much as digits as its factorization.

12798322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399163.

The product of its digits is 12096, while the sum is 34.

The square root of 12798322 is about 3577.4742486844. The cubic root of 12798322 is about 233.9111967316.

The spelling of 12798322 in words is "twelve million, seven hundred ninety-eight thousand, three hundred twenty-two".