12422328 has 16 divisors (see below), whose sum is σ = 31055880. Its totient is φ = 4140768.

The previous prime is 12422309. The next prime is 12422329. The reversal of 12422328 is 82322421.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 517597 = 12422328 / (1 + 2 + 4 + 2 + 2 + 3 + 2 + 8).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12422298 and 12422307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422329) 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, 258775 + ... + 258822.

Almost surely, 2^12422328 is an apocalyptic number.

It is an amenable number.

12422328 is an abundant number, since it is smaller than the sum of its proper divisors (18633552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12422328 is a wasteful number, since it uses less digits than its factorization.

12422328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517606 (or 517602 counting only the distinct ones).

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

The square root of 12422328 is about 3524.5323093994. The cubic root of 12422328 is about 231.5977472703.

Adding to 12422328 its reverse (82322421), we get a palindrome (94744749).

It can be divided in two parts, 124223 and 28, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 12422328 in words is "twelve million, four hundred twenty-two thousand, three hundred twenty-eight".