12603904 has 40 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 6214656.

The previous prime is 12603901. The next prime is 12603911. The reversal of 12603904 is 40930621.

It is not an unprimeable number, because it can be changed into a prime (12603901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52617 + ... + 52855.

It is an arithmetic number, because the mean of its divisors is an integer number (638352).

Almost surely, 2^12603904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12603904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767040).

12603904 is an abundant number, since it is smaller than the sum of its proper divisors (12930176).

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

12603904 is an equidigital number, since it uses as much as digits as its factorization.

12603904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12603904 is about 3550.1977409716. The cubic root of 12603904 is about 232.7207076747.

The spelling of 12603904 in words is "twelve million, six hundred three thousand, nine hundred four".