12663800 has 48 divisors (see below), whose sum is σ = 30734640. Its totient is φ = 4843520.

The previous prime is 12663787. The next prime is 12663803. The reversal of 12663800 is 836621.

It is a self number, because there is not a number n which added to its sum of digits gives 12663800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3224 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (640305).

Almost surely, 2^12663800 is an apocalyptic number.

12663800 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 12663800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15367320).

12663800 is an abundant number, since it is smaller than the sum of its proper divisors (18070840).

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

12663800 is a wasteful number, since it uses less digits than its factorization.

12663800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12663800 is about 3558.6233293227. The cubic root of 12663800 is about 233.0887686963.

The spelling of 12663800 in words is "twelve million, six hundred sixty-three thousand, eight hundred".