13000103 has 4 divisors (see below), whose sum is σ = 13119480. Its totient is φ = 12880728.

The previous prime is 13000081. The next prime is 13000133. The reversal of 13000103 is 30100031.

13000103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13000103 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 (13000133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59525 + ... + 59742.

It is an arithmetic number, because the mean of its divisors is an integer number (3279870).

Almost surely, 2^13000103 is an apocalyptic number.

13000103 is a deficient number, since it is larger than the sum of its proper divisors (119377).

13000103 is a wasteful number, since it uses less digits than its factorization.

13000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119376.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 13000103 is about 3605.5655589657. The cubic root of 13000103 is about 235.1340897640.

Adding to 13000103 its reverse (30100031), we get a palindrome (43100134).

The spelling of 13000103 in words is "thirteen million, one hundred three", and thus it is an aban number.