12663000 has 256 divisors, whose sum is σ = 50918400. Its totient is φ = 2851200.

The previous prime is 12662999. The next prime is 12663019. The reversal of 12663000 is 36621.

It is a happy number.

12663000 is a `hidden beast` number, since 1 + 2 + 663 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188967 + ... + 189033.

It is an arithmetic number, because the mean of its divisors is an integer number (198900).

Almost surely, 2^12663000 is an apocalyptic number.

12663000 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 12663000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25459200).

12663000 is an abundant number, since it is smaller than the sum of its proper divisors (38255400).

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

12663000 is a wasteful number, since it uses less digits than its factorization.

12663000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12663000 is about 3558.5109245301. The cubic root of 12663000 is about 233.0838603502.

Adding to 12663000 its reverse (36621), we get a palindrome (12699621).

The spelling of 12663000 in words is "twelve million, six hundred sixty-three thousand".