12000642 has 8 divisors (see below), whose sum is σ = 24001296. Its totient is φ = 4000212.

The previous prime is 12000629. The next prime is 12000643. The reversal of 12000642 is 24600021.

12000642 is digitally balanced in base 2 and base 4, because in such bases 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.

12000642 is an admirable number.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12000643) 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, 1000048 + ... + 1000059.

It is an arithmetic number, because the mean of its divisors is an integer number (3000162).

Almost surely, 2^12000642 is an apocalyptic number.

12000642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12000642 is a wasteful number, since it uses less digits than its factorization.

12000642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000112.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12000642 is about 3464.1942786166. The cubic root of 12000642 is about 228.9469312520.

Adding to 12000642 its reverse (24600021), we get a palindrome (36600663).

The spelling of 12000642 in words is "twelve million, six hundred forty-two", and thus it is an aban number.