12828450 has 24 divisors (see below), whose sum is σ = 31814928. Its totient is φ = 3420880.

The previous prime is 12828427. The next prime is 12828461. The reversal of 12828450 is 5482821.

It is a super-3 number, since 3×12828450³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42612 + ... + 42911.

It is an arithmetic number, because the mean of its divisors is an integer number (1325622).

Almost surely, 2^12828450 is an apocalyptic number.

12828450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12828450 is an abundant number, since it is smaller than the sum of its proper divisors (18986478).

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

12828450 is a wasteful number, since it uses less digits than its factorization.

12828450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85538 (or 85533 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12828450 is about 3581.6825654991. The cubic root of 12828450 is about 234.0945997813.

The spelling of 12828450 in words is "twelve million, eight hundred twenty-eight thousand, four hundred fifty".