13224534 has 32 divisors (see below), whose sum is σ = 27155040. Its totient is φ = 4292352.

The previous prime is 13224499. The next prime is 13224539. The reversal of 13224534 is 43542231.

13224534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47604 + ... + 47880.

It is an arithmetic number, because the mean of its divisors is an integer number (848595).

Almost surely, 2^13224534 is an apocalyptic number.

13224534 is an abundant number, since it is smaller than the sum of its proper divisors (13930506).

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

13224534 is a wasteful number, since it uses less digits than its factorization.

13224534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 2880, while the sum is 24.

The square root of 13224534 is about 3636.5552381340. Note that the first 3 decimals coincide. The cubic root of 13224534 is about 236.4794786026.

Adding to 13224534 its reverse (43542231), we get a palindrome (56766765).

The spelling of 13224534 in words is "thirteen million, two hundred twenty-four thousand, five hundred thirty-four".