13506103 has 8 divisors (see below), whose sum is σ = 14792400. Its totient is φ = 12255168.

The previous prime is 13506091. The next prime is 13506113. The reversal of 13506103 is 30160531.

13506103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13506103 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 (13506113) 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 7 ways as a sum of consecutive naturals, for example, 8038 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (1849050).

Almost surely, 2^13506103 is an apocalyptic number.

13506103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13506103 is a deficient number, since it is larger than the sum of its proper divisors (1286297).

13506103 is a wasteful number, since it uses less digits than its factorization.

13506103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13506103 is about 3675.0650334382. The cubic root of 13506103 is about 238.1460335326.

Adding to 13506103 its reverse (30160531), we get a palindrome (43666634).

The spelling of 13506103 in words is "thirteen million, five hundred six thousand, one hundred three".