13504038 has 32 divisors (see below), whose sum is σ = 28235520. Its totient is φ = 4301280.

The previous prime is 13504033. The next prime is 13504039. The reversal of 13504038 is 83040531.

It is a junction number, because it is equal to n+sod(n) for n = 13503999 and 13504017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13504033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12583 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (882360).

Almost surely, 2^13504038 is an apocalyptic number.

13504038 is an abundant number, since it is smaller than the sum of its proper divisors (14731482).

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

13504038 is a wasteful number, since it uses less digits than its factorization.

13504038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

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

The square root of 13504038 is about 3674.7840752893. The cubic root of 13504038 is about 238.1338958932.

Adding to 13504038 its reverse (83040531), we get a palindrome (96544569).

The spelling of 13504038 in words is "thirteen million, five hundred four thousand, thirty-eight".