12428268 has 24 divisors (see below), whose sum is σ = 29211840. Its totient is φ = 4112400.

The previous prime is 12428243. The next prime is 12428279. The reversal of 12428268 is 86282421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058 + ... + 5393.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^12428268 is an apocalyptic number.

It is an amenable number.

12428268 is an abundant number, since it is smaller than the sum of its proper divisors (16783572).

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

12428268 is a wasteful number, since it uses less digits than its factorization.

12428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7595 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 12428268 is about 3525.3748736836. The cubic root of 12428268 is about 231.6346558489.

The spelling of 12428268 in words is "twelve million, four hundred twenty-eight thousand, two hundred sixty-eight".