13500103 has 4 divisors (see below), whose sum is σ = 14087088. Its totient is φ = 12913120.

The previous prime is 13500077. The next prime is 13500119. The reversal of 13500103 is 30100531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30100531 = 83 ⋅362657.

It is a de Polignac number, because none of the positive numbers 2^k-13500103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293458 + ... + 293503.

It is an arithmetic number, because the mean of its divisors is an integer number (3521772).

Almost surely, 2^13500103 is an apocalyptic number.

13500103 is a deficient number, since it is larger than the sum of its proper divisors (586985).

13500103 is an equidigital number, since it uses as much as digits as its factorization.

13500103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586984.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13500103 is about 3674.2486306727. The cubic root of 13500103 is about 238.1107633578.

Adding to 13500103 its reverse (30100531), we get a palindrome (43600634).

The spelling of 13500103 in words is "thirteen million, five hundred thousand, one hundred three".