12000621 has 8 divisors (see below), whose sum is σ = 16025440. Its totient is φ = 7988112.

The previous prime is 12000619. The next prime is 12000629. The reversal of 12000621 is 12600021.

12000621 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 12000621 - 2¹ = 12000619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000597 and 12000606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000629) 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, 490 + ... + 4923.

It is an arithmetic number, because the mean of its divisors is an integer number (2003180).

Almost surely, 2^12000621 is an apocalyptic number.

It is an amenable number.

12000621 is a deficient number, since it is larger than the sum of its proper divisors (4024819).

12000621 is an equidigital number, since it uses as much as digits as its factorization.

12000621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12000621 is about 3464.1912476074. The cubic root of 12000621 is about 228.9467977067.

Adding to 12000621 its reverse (12600021), we get a palindrome (24600642).

It can be divided in two parts, 12000 and 621, that added together give a palindrome (12621).

The spelling of 12000621 in words is "twelve million, six hundred twenty-one", and thus it is an aban number.