13803504 has 80 divisors (see below), whose sum is σ = 41913984. Its totient is φ = 3859200.

The previous prime is 13803499. The next prime is 13803547. The reversal of 13803504 is 40530831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859 + ... + 7869.

Almost surely, 2^13803504 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 13803504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20956992).

13803504 is an abundant number, since it is smaller than the sum of its proper divisors (28110480).

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

13803504 is a wasteful number, since it uses less digits than its factorization.

13803504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13803504 is about 3715.3067168136. The cubic root of 13803504 is about 239.8813302214.

It can be divided in two parts, 1380 and 3504, that added together give a palindrome (4884).

The spelling of 13803504 in words is "thirteen million, eight hundred three thousand, five hundred four".