12804322 has 4 divisors (see below), whose sum is σ = 19206486. Its totient is φ = 6402160.

The previous prime is 12804317. The next prime is 12804343. The reversal of 12804322 is 22340821.

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., 9603801 + 3200521 = 3099^2 + 1789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12804293 and 12804302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201079 + ... + 3201082.

Almost surely, 2^12804322 is an apocalyptic number.

12804322 is a deficient number, since it is larger than the sum of its proper divisors (6402164).

12804322 is an equidigital number, since it uses as much as digits as its factorization.

12804322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402163.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12804322 is about 3578.3127308831. The cubic root of 12804322 is about 233.9477444373.

The spelling of 12804322 in words is "twelve million, eight hundred four thousand, three hundred twenty-two".