13043504 has 20 divisors (see below), whose sum is σ = 26144160. Its totient is φ = 6296640.

The previous prime is 13043497. The next prime is 13043561. The reversal of 13043504 is 40534031.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13592 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (1307208).

Almost surely, 2^13043504 is an apocalyptic number.

It is an amenable number.

13043504 is an abundant number, since it is smaller than the sum of its proper divisors (13100656).

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

13043504 is a wasteful number, since it uses less digits than its factorization.

13043504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148 (or 28142 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13043504 is about 3611.5791559926. The cubic root of 13043504 is about 235.3954651054.

Adding to 13043504 its reverse (40534031), we get a palindrome (53577535).

It can be divided in two parts, 130 and 43504, that added together give a palindrome (43634).

The spelling of 13043504 in words is "thirteen million, forty-three thousand, five hundred four".