13544103 has 4 divisors (see below), whose sum is σ = 18058808. Its totient is φ = 9029400.

The previous prime is 13544101. The next prime is 13544107. The reversal of 13544103 is 30144531.

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

It is not a de Polignac number, because 13544103 - 2¹ = 13544101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13544103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544101) 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, 2257348 + ... + 2257353.

It is an arithmetic number, because the mean of its divisors is an integer number (4514702).

Almost surely, 2^13544103 is an apocalyptic number.

13544103 is a deficient number, since it is larger than the sum of its proper divisors (4514705).

13544103 is an equidigital number, since it uses as much as digits as its factorization.

13544103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514704.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13544103 is about 3680.2313785956. The cubic root of 13544103 is about 238.3691690889.

Adding to 13544103 its reverse (30144531), we get a palindrome (43688634).

The spelling of 13544103 in words is "thirteen million, five hundred forty-four thousand, one hundred three".