12603916 has 24 divisors (see below), whose sum is σ = 25005680. Its totient is φ = 5510592.

The previous prime is 12603911. The next prime is 12603917. The reversal of 12603916 is 61930621.

It is not an unprimeable number, because it can be changed into a prime (12603911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391 + ... + 7366.

Almost surely, 2^12603916 is an apocalyptic number.

It is an amenable number.

12603916 is a deficient number, since it is larger than the sum of its proper divisors (12401764).

12603916 is a wasteful number, since it uses less digits than its factorization.

12603916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793 (or 12791 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12603916 is about 3550.1994310179. The cubic root of 12603916 is about 232.7207815313.

The spelling of 12603916 in words is "twelve million, six hundred three thousand, nine hundred sixteen".