13224426 has 8 divisors (see below), whose sum is σ = 26448864. Its totient is φ = 4408140.

The previous prime is 13224391. The next prime is 13224457. The reversal of 13224426 is 62442231.

It is a sphenic number, since it is the product of 3 distinct primes.

13224426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13224396 and 13224405.

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 in 3 ways as a sum of consecutive naturals, for example, 1102030 + ... + 1102041.

It is an arithmetic number, because the mean of its divisors is an integer number (3306108).

Almost surely, 2^13224426 is an apocalyptic number.

13224426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13224426 is a wasteful number, since it uses less digits than its factorization.

13224426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204076.

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

The square root of 13224426 is about 3636.5403888861. The cubic root of 13224426 is about 236.4788348534.

Adding to 13224426 its reverse (62442231), we get a palindrome (75666657).

The spelling of 13224426 in words is "thirteen million, two hundred twenty-four thousand, four hundred twenty-six".