12000669 has 8 divisors (see below), whose sum is σ = 16052640. Its totient is φ = 7974576.

The previous prime is 12000661. The next prime is 12000673. The reversal of 12000669 is 96600021.

12000669 = T₁₀₁ + T₁₀₂ + ... + T₄₁₇.

12000669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000669 - 2³ = 12000661 is a prime.

It is a super-2 number, since 2×12000669² = 288032112895122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (2006580).

Almost surely, 2^12000669 is an apocalyptic number.

It is an amenable number.

12000669 is a deficient number, since it is larger than the sum of its proper divisors (4051971).

12000669 is a wasteful number, since it uses less digits than its factorization.

12000669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12000669 is about 3464.1981756245. The cubic root of 12000669 is about 228.9471029529.

Subtracting from 12000669 its product of nonzero digits (648), we obtain a palindrome (12000021).

The spelling of 12000669 in words is "twelve million, six hundred sixty-nine", and thus it is an aban number.