6669012 has 24 divisors (see below), whose sum is σ = 17784256. Its totient is φ = 1905408.

The previous prime is 6669007. The next prime is 6669017. The reversal of 6669012 is 2109666.

It is an interprime number because it is at equal distance from previous prime (6669007) and next prime (6669017).

It is a super-2 number, since 2×6669012² = 88951442112288, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39613 + ... + 39780.

Almost surely, 2^6669012 is an apocalyptic number.

It is an amenable number.

6669012 is an abundant number, since it is smaller than the sum of its proper divisors (11115244).

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

6669012 is a wasteful number, since it uses less digits than its factorization.

6669012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79407 (or 79405 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6669012 is about 2582.4430293813. The cubic root of 6669012 is about 188.2292736202.

The spelling of 6669012 in words is "six million, six hundred sixty-nine thousand, twelve".