12824420 has 48 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4301184.

The previous prime is 12824389. The next prime is 12824447. The reversal of 12824420 is 2442821.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 5606 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12824420 is an apocalyptic number.

12824420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12824420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

12824420 is an abundant number, since it is smaller than the sum of its proper divisors (18625180).

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

12824420 is a wasteful number, since it uses less digits than its factorization.

12824420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 12824420 is about 3581.1199365562. The cubic root of 12824420 is about 234.0700839579.

The spelling of 12824420 in words is "twelve million, eight hundred twenty-four thousand, four hundred twenty".