Adding to 12404424 its reverse (42440421), we get a palindrome (54844845).
12404424 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12404424.
Almost surely, 212404424 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12404424 is a wasteful number, since it uses less digits than its factorization.
12404424 is an evil number, because the sum of its binary digits is even.
The square root of 12404424 is about 3521.9914821021. The cubic root of 12404424 is about 231.4864283678.
The spelling of 12404424 in words is "twelve million, four hundred four thousand, four hundred twenty-four".