13209103 has 4 divisors (see below), whose sum is σ = 13251888. Its totient is φ = 13166320.

The previous prime is 13209101. The next prime is 13209109. The reversal of 13209103 is 30190231.

13209103 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 13209103 - 2¹ = 13209101 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 (13209101) 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, 20926 + ... + 21547.

It is an arithmetic number, because the mean of its divisors is an integer number (3312972).

Almost surely, 2^13209103 is an apocalyptic number.

13209103 is a deficient number, since it is larger than the sum of its proper divisors (42785).

13209103 is an equidigital number, since it uses as much as digits as its factorization.

13209103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42784.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13209103 is about 3634.4329681534. The cubic root of 13209103 is about 236.3874643945.

Adding to 13209103 its reverse (30190231), we get a palindrome (43399334).

The spelling of 13209103 in words is "thirteen million, two hundred nine thousand, one hundred three".