12006446 has 4 divisors (see below), whose sum is σ = 18009672. Its totient is φ = 6003222.

The previous prime is 12006443. The next prime is 12006473. The reversal of 12006446 is 64460021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64460021 = 2269 ⋅28409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3001610 + ... + 3001613.

It is an arithmetic number, because the mean of its divisors is an integer number (4502418).

Almost surely, 2^12006446 is an apocalyptic number.

12006446 is a deficient number, since it is larger than the sum of its proper divisors (6003226).

12006446 is an equidigital number, since it uses as much as digits as its factorization.

12006446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003225.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12006446 is about 3465.0318901851. The cubic root of 12006446 is about 228.9838346617.

Adding to 12006446 its reverse (64460021), we get a palindrome (76466467).

The spelling of 12006446 in words is "twelve million, six thousand, four hundred forty-six".