12609103 has 16 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 10856160.

The previous prime is 12609101. The next prime is 12609137. The reversal of 12609103 is 30190621.

It is a cyclic number.

It is not a de Polignac number, because 12609103 - 2¹ = 12609101 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 (12609101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17178 + ... + 17896.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^12609103 is an apocalyptic number.

12609103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12609103 is a deficient number, since it is larger than the sum of its proper divisors (1906097).

12609103 is a wasteful number, since it uses less digits than its factorization.

12609103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 12609103 is about 3550.9298782150. The cubic root of 12609103 is about 232.7527016938.

Adding to 12609103 its reverse (30190621), we get a palindrome (42799724).

The spelling of 12609103 in words is "twelve million, six hundred nine thousand, one hundred three".