13504103 has 6 divisors (see below), whose sum is σ = 14345496. Its totient is φ = 12709472.

The previous prime is 13504093. The next prime is 13504109. The reversal of 13504103 is 30140531.

It is not a de Polignac number, because 13504103 - 2⁶ = 13504039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13504109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23075 + ... + 23652.

It is an arithmetic number, because the mean of its divisors is an integer number (2390916).

Almost surely, 2^13504103 is an apocalyptic number.

13504103 is a deficient number, since it is larger than the sum of its proper divisors (841393).

13504103 is an equidigital number, since it uses as much as digits as its factorization.

13504103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46761 (or 46744 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13504103 is about 3674.7929193357. The cubic root of 13504103 is about 238.1342779685.

Adding to 13504103 its reverse (30140531), we get a palindrome (43644634).

The spelling of 13504103 in words is "thirteen million, five hundred four thousand, one hundred three".