12428822 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 5094720.

The previous prime is 12428813. The next prime is 12428827. The reversal of 12428822 is 22882421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428827) 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 15 ways as a sum of consecutive naturals, for example, 33683 + ... + 34049.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^12428822 is an apocalyptic number.

12428822 is a deficient number, since it is larger than the sum of its proper divisors (9827818).

12428822 is a wasteful number, since it uses less digits than its factorization.

12428822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 4096, while the sum is 29.

The square root of 12428822 is about 3525.4534460123. The cubic root of 12428822 is about 231.6380975645.

The spelling of 12428822 in words is "twelve million, four hundred twenty-eight thousand, eight hundred twenty-two".