12446422 has 4 divisors (see below), whose sum is σ = 18669636. Its totient is φ = 6223210.

The previous prime is 12446419. The next prime is 12446429. The reversal of 12446422 is 22464421.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111604 + ... + 3111607.

It is an arithmetic number, because the mean of its divisors is an integer number (4667409).

Almost surely, 2^12446422 is an apocalyptic number.

12446422 is a deficient number, since it is larger than the sum of its proper divisors (6223214).

12446422 is an equidigital number, since it uses as much as digits as its factorization.

12446422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223213.

The product of its digits is 3072, while the sum is 25.

The square root of 12446422 is about 3527.9486957721. The cubic root of 12446422 is about 231.7473840729.

The spelling of 12446422 in words is "twelve million, four hundred forty-six thousand, four hundred twenty-two".