6630812 has 12 divisors (see below), whose sum is σ = 11640720. Its totient is φ = 3304896.

The previous prime is 6630803. The next prime is 6630817. The reversal of 6630812 is 2180366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (970060).

Almost surely, 2^6630812 is an apocalyptic number.

It is an amenable number.

6630812 is a deficient number, since it is larger than the sum of its proper divisors (5009908).

6630812 is a wasteful number, since it uses less digits than its factorization.

6630812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260 (or 5258 counting only the distinct ones).

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

The square root of 6630812 is about 2575.0363104236. The cubic root of 6630812 is about 187.8691937532.

The spelling of 6630812 in words is "six million, six hundred thirty thousand, eight hundred twelve".