12818103 has 16 divisors (see below), whose sum is σ = 18334080. Its totient is φ = 7941024.

The previous prime is 12818101. The next prime is 12818111. The reversal of 12818103 is 30181821.

It is not a de Polignac number, because 12818103 - 2¹ = 12818101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (1145880).

Almost surely, 2^12818103 is an apocalyptic number.

12818103 is a deficient number, since it is larger than the sum of its proper divisors (5515977).

12818103 is a wasteful number, since it uses less digits than its factorization.

12818103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 12818103 is about 3580.2378412614. The cubic root of 12818103 is about 234.0316452198.

Adding to 12818103 its reverse (30181821), we get a palindrome (42999924).

It can be divided in two parts, 12818 and 103, that added together give a palindrome (12921).

The spelling of 12818103 in words is "twelve million, eight hundred eighteen thousand, one hundred three".