12322028 has 6 divisors (see below), whose sum is σ = 21563556. Its totient is φ = 6161012.

The previous prime is 12322027. The next prime is 12322031. The reversal of 12322028 is 82022321.

It is not an unprimeable number, because it can be changed into a prime (12322027) 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, 1540250 + ... + 1540257.

It is an arithmetic number, because the mean of its divisors is an integer number (3593926).

Almost surely, 2^12322028 is an apocalyptic number.

It is an amenable number.

12322028 is a deficient number, since it is larger than the sum of its proper divisors (9241528).

12322028 is a wasteful number, since it uses less digits than its factorization.

12322028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080511 (or 3080509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12322028 is about 3510.2746331306. The cubic root of 12322028 is about 230.9727421721.

Adding to 12322028 its reverse (82022321), we get a palindrome (94344349).

The spelling of 12322028 in words is "twelve million, three hundred twenty-two thousand, twenty-eight".