6666712 has 24 divisors (see below), whose sum is σ = 13538340. Its totient is φ = 3076320.

The previous prime is 6666689. The next prime is 6666719. The reversal of 6666712 is 2176666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666719) 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 5 ways as a sum of consecutive naturals, for example, 1114 + ... + 3817.

Almost surely, 2^6666712 is an apocalyptic number.

It is an amenable number.

6666712 is an abundant number, since it is smaller than the sum of its proper divisors (6871628).

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

6666712 is a wasteful number, since it uses less digits than its factorization.

6666712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963 (or 4946 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 6666712 is about 2581.9976762189. The cubic root of 6666712 is about 188.2076323782.

The spelling of 6666712 in words is "six million, six hundred sixty-six thousand, seven hundred twelve".