12443226 has 16 divisors (see below), whose sum is σ = 24935904. Its totient is φ = 4139504.

The previous prime is 12443219. The next prime is 12443231. The reversal of 12443226 is 62234421.

It is a junction number, because it is equal to n+sod(n) for n = 12443196 and 12443205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1558494).

Almost surely, 2^12443226 is an apocalyptic number.

12443226 is an abundant number, since it is smaller than the sum of its proper divisors (12492678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12443226 is a wasteful number, since it uses less digits than its factorization.

12443226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125.

The product of its digits is 2304, while the sum is 24.

The square root of 12443226 is about 3527.4957122582. The cubic root of 12443226 is about 231.7275462955.

Adding to 12443226 its reverse (62234421), we get a palindrome (74677647).

The spelling of 12443226 in words is "twelve million, four hundred forty-three thousand, two hundred twenty-six".