12406466 has 4 divisors (see below), whose sum is σ = 18609702. Its totient is φ = 6203232.

The previous prime is 12406463. The next prime is 12406483. The reversal of 12406466 is 66460421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 9025 = 3521^2 + 95^2 .

It is not an unprimeable number, because it can be changed into a prime (12406463) 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, 3101615 + ... + 3101618.

Almost surely, 2^12406466 is an apocalyptic number.

12406466 is a deficient number, since it is larger than the sum of its proper divisors (6203236).

12406466 is an equidigital number, since it uses as much as digits as its factorization.

12406466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203235.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 12406466 is about 3522.2813629805. The cubic root of 12406466 is about 231.4991300015.

Adding to 12406466 its reverse (66460421), we get a palindrome (78866887).

The spelling of 12406466 in words is "twelve million, four hundred six thousand, four hundred sixty-six".