12443426 has 16 divisors (see below), whose sum is σ = 19207584. Its totient is φ = 6042624.

The previous prime is 12443411. The next prime is 12443429. The reversal of 12443426 is 62434421.

It is a junction number, because it is equal to n+sod(n) for n = 12443395 and 12443404.

It is not an unprimeable number, because it can be changed into a prime (12443429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21821 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (1200474).

Almost surely, 2^12443426 is an apocalyptic number.

12443426 is a deficient number, since it is larger than the sum of its proper divisors (6764158).

12443426 is a wasteful number, since it uses less digits than its factorization.

12443426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 4608, while the sum is 26.

The square root of 12443426 is about 3527.5240608676. The cubic root of 12443426 is about 231.7287878080.

Adding to 12443426 its reverse (62434421), we get a palindrome (74877847).

The spelling of 12443426 in words is "twelve million, four hundred forty-three thousand, four hundred twenty-six".