12000641 has 4 divisors (see below), whose sum is σ = 12522432. Its totient is φ = 11478852.

The previous prime is 12000629. The next prime is 12000643. The reversal of 12000641 is 14600021.

12000641 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000641 is a prime.

It is a Duffinian number.

It is a Curzon 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, 260861 + ... + 260906.

It is an arithmetic number, because the mean of its divisors is an integer number (3130608).

Almost surely, 2^12000641 is an apocalyptic number.

It is an amenable number.

12000641 is a deficient number, since it is larger than the sum of its proper divisors (521791).

12000641 is an equidigital number, since it uses as much as digits as its factorization.

12000641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521790.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12000641 is about 3464.1941342829. The cubic root of 12000641 is about 228.9469248927.

Adding to 12000641 its reverse (14600021), we get a palindrome (26600662).

The spelling of 12000641 in words is "twelve million, six hundred forty-one", and thus it is an aban number.