13424528 has 40 divisors (see below), whose sum is σ = 28232568. Its totient is φ = 6147072.

The previous prime is 13424491. The next prime is 13424539. The reversal of 13424528 is 82542431.

It is a happy number.

13424528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 13162384 = 512^2 + 3628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13424528.

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, 48326 + ... + 48602.

Almost surely, 2^13424528 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 13424528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14116284).

13424528 is an abundant number, since it is smaller than the sum of its proper divisors (14808040).

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

13424528 is a wasteful number, since it uses less digits than its factorization.

13424528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 13424528 is about 3663.9497813152. The cubic root of 13424528 is about 237.6656085941.

Adding to 13424528 its reverse (82542431), we get a palindrome (95966959).

The spelling of 13424528 in words is "thirteen million, four hundred twenty-four thousand, five hundred twenty-eight".