12427828 has 12 divisors (see below), whose sum is σ = 24855712. Its totient is φ = 5326200.

The previous prime is 12427813. The next prime is 12427841. The reversal of 12427828 is 82872421.

12427828 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12427828 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

12427828 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12427793 and 12427802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221898 + ... + 221953.

Almost surely, 2^12427828 is an apocalyptic number.

It is an amenable number.

12427828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12427828 is a wasteful number, since it uses less digits than its factorization.

12427828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443862 (or 443860 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 12427828 is about 3525.3124684204. The cubic root of 12427828 is about 231.6319222834.

The spelling of 12427828 in words is "twelve million, four hundred twenty-seven thousand, eight hundred twenty-eight".