12404516 has 12 divisors (see below), whose sum is σ = 21970032. Its totient is φ = 6127368.

The previous prime is 12404467. The next prime is 12404531. The reversal of 12404516 is 61540421.

12404516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12404491 and 12404500.

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, 18350 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (1830836).

Almost surely, 2^12404516 is an apocalyptic number.

It is an amenable number.

12404516 is a deficient number, since it is larger than the sum of its proper divisors (9565516).

12404516 is a wasteful number, since it uses less digits than its factorization.

12404516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37450 (or 37448 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12404516 is about 3522.0045428704. The cubic root of 12404516 is about 231.4870006555.

Adding to 12404516 its reverse (61540421), we get a palindrome (73944937).

The spelling of 12404516 in words is "twelve million, four hundred four thousand, five hundred sixteen".