12603900 has 36 divisors (see below), whose sum is σ = 36468152. Its totient is φ = 3360960.

The previous prime is 12603883. The next prime is 12603901. The reversal of 12603900 is 930621.

It is a congruent number.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20707 + ... + 21306.

Almost surely, 2^12603900 is an apocalyptic number.

12603900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12603900 is an abundant number, since it is smaller than the sum of its proper divisors (23864252).

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

12603900 is a wasteful number, since it uses less digits than its factorization.

12603900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030 (or 42023 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12603900 is about 3550.1971776227. The cubic root of 12603900 is about 232.7206830558.

The spelling of 12603900 in words is "twelve million, six hundred three thousand, nine hundred".