12448426 has 4 divisors (see below), whose sum is σ = 18672642. Its totient is φ = 6224212.

The previous prime is 12448417. The next prime is 12448427. The reversal of 12448426 is 62484421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62484421 = 1039 ⋅60139.

It can be written as a sum of positive squares in only one way, i.e., 12425625 + 22801 = 3525^2 + 151^2 .

It is not an unprimeable number, because it can be changed into a prime (12448427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112105 + ... + 3112108.

Almost surely, 2^12448426 is an apocalyptic number.

12448426 is a deficient number, since it is larger than the sum of its proper divisors (6224216).

12448426 is an equidigital number, since it uses as much as digits as its factorization.

12448426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224215.

The product of its digits is 12288, while the sum is 31.

The square root of 12448426 is about 3528.2327020762. The cubic root of 12448426 is about 231.7598212974.

The spelling of 12448426 in words is "twelve million, four hundred forty-eight thousand, four hundred twenty-six".