12000667 has 8 divisors (see below), whose sum is σ = 13766112. Its totient is φ = 10248000.

The previous prime is 12000661. The next prime is 12000673. The reversal of 12000667 is 76600021.

It is an interprime number because it is at equal distance from previous prime (12000661) and next prime (12000673).

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

It is a de Polignac number, because none of the positive numbers 2^k-12000667 is a prime.

It is a Duffinian 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, 1084 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (1720764).

Almost surely, 2^12000667 is an apocalyptic number.

12000667 is a deficient number, since it is larger than the sum of its proper divisors (1765445).

12000667 is an equidigital number, since it uses as much as digits as its factorization.

12000667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12000667 is about 3464.1978869574. The cubic root of 12000667 is about 228.9470902343.

Adding to 12000667 its reverse (76600021), we get a palindrome (88600688).

The spelling of 12000667 in words is "twelve million, six hundred sixty-seven", and thus it is an aban number.