12446242 has 4 divisors (see below), whose sum is σ = 18669366. Its totient is φ = 6223120.

The previous prime is 12446237. The next prime is 12446251. The reversal of 12446242 is 24264421.

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: 24264421 = 251 ⋅96671.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 1297321 = 3339^2 + 1139^2 .

It is an unprimeable number.

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, 3111559 + ... + 3111562.

Almost surely, 2^12446242 is an apocalyptic number.

12446242 is a deficient number, since it is larger than the sum of its proper divisors (6223124).

12446242 is an equidigital number, since it uses as much as digits as its factorization.

12446242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223123.

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

The square root of 12446242 is about 3527.9231851048. The cubic root of 12446242 is about 231.7462668916.

The spelling of 12446242 in words is "twelve million, four hundred forty-six thousand, two hundred forty-two".