12603800 has 96 divisors (see below), whose sum is σ = 33948720. Its totient is φ = 4300800.

The previous prime is 12603797. The next prime is 12603809. The reversal of 12603800 is 830621.

12603800 = 698² + 699² + ... + 722².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37232 + ... + 37568.

Almost surely, 2^12603800 is an apocalyptic number.

12603800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12603800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16974360).

12603800 is an abundant number, since it is smaller than the sum of its proper divisors (21344920).

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

12603800 is a wasteful number, since it uses less digits than its factorization.

12603800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12603800 is about 3550.1830938699. The cubic root of 12603800 is about 232.7200675814.

The spelling of 12603800 in words is "twelve million, six hundred three thousand, eight hundred".