12428196 has 24 divisors (see below), whose sum is σ = 31635744. Its totient is φ = 3766080.

The previous prime is 12428191. The next prime is 12428197. The reversal of 12428196 is 69182421.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428191) 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 7 ways as a sum of consecutive naturals, for example, 46945 + ... + 47208.

It is an arithmetic number, because the mean of its divisors is an integer number (1318156).

Almost surely, 2^12428196 is an apocalyptic number.

It is an amenable number.

12428196 is an abundant number, since it is smaller than the sum of its proper divisors (19207548).

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

12428196 is a wasteful number, since it uses less digits than its factorization.

12428196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94171 (or 94169 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 12428196 is about 3525.3646619889. The cubic root of 12428196 is about 231.6342085426.

The spelling of 12428196 in words is "twelve million, four hundred twenty-eight thousand, one hundred ninety-six".