13550103 has 24 divisors (see below), whose sum is σ = 22976928. Its totient is φ = 7532352.

The previous prime is 13550093. The next prime is 13550107. The reversal of 13550103 is 30105531.

It is a happy number.

13550103 is a `hidden beast` number, since 13 + 550 + 103 = 666.

13550103 is digitally balanced in base 2, base 3 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13550103 - 2⁶ = 13550039 is a prime.

13550103 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (957372).

Almost surely, 2^13550103 is an apocalyptic number.

13550103 is a deficient number, since it is larger than the sum of its proper divisors (9426825).

13550103 is a wasteful number, since it uses less digits than its factorization.

13550103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5860 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 13550103 is about 3681.0464544746. The cubic root of 13550103 is about 238.4043628524.

Adding to 13550103 its reverse (30105531), we get a palindrome (43655634).

The spelling of 13550103 in words is "thirteen million, five hundred fifty thousand, one hundred three".