12446641 has 4 divisors (see below), whose sum is σ = 12457984. Its totient is φ = 12435300.

The previous prime is 12446633. The next prime is 12446671. The reversal of 12446641 is 14664421.

12446641 is digitally balanced in base 3, because in such base 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 not a de Polignac number, because 12446641 - 2³ = 12446633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12446671) 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, 3825 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (3114496).

Almost surely, 2^12446641 is an apocalyptic number.

It is an amenable number.

12446641 is a deficient number, since it is larger than the sum of its proper divisors (11343).

12446641 is a wasteful number, since it uses less digits than its factorization.

12446641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342.

The product of its digits is 4608, while the sum is 28.

The square root of 12446641 is about 3527.9797335019. The cubic root of 12446641 is about 231.7487432956.

The spelling of 12446641 in words is "twelve million, four hundred forty-six thousand, six hundred forty-one".