12006630 has 80 divisors (see below), whose sum is σ = 32948784. Its totient is φ = 3149280.

The previous prime is 12006623. The next prime is 12006649. The reversal of 12006630 is 3660021.

It is a happy number.

12006630 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 663 + 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 39 ways as a sum of consecutive naturals, for example, 196800 + ... + 196860.

Almost surely, 2^12006630 is an apocalyptic number.

12006630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12006630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16474392).

12006630 is an abundant number, since it is smaller than the sum of its proper divisors (20942154).

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

12006630 is an frugal number, since it uses more digits than its factorization.

12006630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

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

The square root of 12006630 is about 3465.0584410656. The cubic root of 12006630 is about 228.9850043892.

Adding to 12006630 its reverse (3660021), we get a palindrome (15666651).

The spelling of 12006630 in words is "twelve million, six thousand, six hundred thirty".