12403412 has 12 divisors (see below), whose sum is σ = 24806880. Its totient is φ = 5315736.

The previous prime is 12403397. The next prime is 12403423. The reversal of 12403412 is 21430421.

12403412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12403412 is an admirable number.

It is a congruent number.

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, 221462 + ... + 221517.

It is an arithmetic number, because the mean of its divisors is an integer number (2067240).

Almost surely, 2^12403412 is an apocalyptic number.

It is an amenable number.

12403412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12403412 is a wasteful number, since it uses less digits than its factorization.

12403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442990 (or 442988 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12403412 is about 3521.8478104541. The cubic root of 12403412 is about 231.4801330161.

Adding to 12403412 its reverse (21430421), we get a palindrome (33833833).

The spelling of 12403412 in words is "twelve million, four hundred three thousand, four hundred twelve".