12404424 has 32 divisors (see below), whose sum is σ = 32836320. Its totient is φ = 3891456.

The previous prime is 12404423. The next prime is 12404437. The reversal of 12404424 is 42440421.

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.

It is not an unprimeable number, because it can be changed into a prime (12404423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14794 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (1026135).

Almost surely, 2^12404424 is an apocalyptic number.

It is an amenable number.

12404424 is an abundant number, since it is smaller than the sum of its proper divisors (20431896).

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 sum of its prime factors is 30429 (or 30425 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 12404424 is about 3521.9914821021. The cubic root of 12404424 is about 231.4864283678.

Adding to 12404424 its reverse (42440421), we get a palindrome (54844845).

The spelling of 12404424 in words is "twelve million, four hundred four thousand, four hundred twenty-four".