13226528 has 48 divisors (see below), whose sum is σ = 30046464. Its totient is φ = 5614080.

The previous prime is 13226513. The next prime is 13226531. The reversal of 13226528 is 82562231.

It is a self number, because there is not a number n which added to its sum of digits gives 13226528.

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, 30473 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (625968).

Almost surely, 2^13226528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13226528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15023232).

13226528 is an abundant number, since it is smaller than the sum of its proper divisors (16819936).

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

13226528 is a wasteful number, since it uses less digits than its factorization.

13226528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 577 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 13226528 is about 3636.8293883546. The cubic root of 13226528 is about 236.4913634923.

Adding to 13226528 its reverse (82562231), we get a palindrome (95788759).

The spelling of 13226528 in words is "thirteen million, two hundred twenty-six thousand, five hundred twenty-eight".