13605103 has 4 divisors (see below), whose sum is σ = 13663728. Its totient is φ = 13546480.

The previous prime is 13605101. The next prime is 13605113. The reversal of 13605103 is 30150631.

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

It is a cyclic number.

It is not a de Polignac number, because 13605103 - 2¹ = 13605101 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 (13605101) 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, 28963 + ... + 29428.

It is an arithmetic number, because the mean of its divisors is an integer number (3415932).

Almost surely, 2^13605103 is an apocalyptic number.

13605103 is a deficient number, since it is larger than the sum of its proper divisors (58625).

13605103 is an equidigital number, since it uses as much as digits as its factorization.

13605103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58624.

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

The square root of 13605103 is about 3688.5095906070. The cubic root of 13605103 is about 238.7264892832.

Adding to 13605103 its reverse (30150631), we get a palindrome (43755734).

The spelling of 13605103 in words is "thirteen million, six hundred five thousand, one hundred three".