12428336 has 20 divisors (see below), whose sum is σ = 24208272. Its totient is φ = 6181056.

The previous prime is 12428329. The next prime is 12428389. The reversal of 12428336 is 63382421.

It is a junction number, because it is equal to n+sod(n) for n = 12428299 and 12428308.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 5123.

Almost surely, 2^12428336 is an apocalyptic number.

12428336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12428336 is a deficient number, since it is larger than the sum of its proper divisors (11779936).

12428336 is a wasteful number, since it uses less digits than its factorization.

12428336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4142 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 12428336 is about 3525.3845180349. The cubic root of 12428336 is about 231.6350783032.

The spelling of 12428336 in words is "twelve million, four hundred twenty-eight thousand, three hundred thirty-six".