12209103 has 24 divisors (see below), whose sum is σ = 18608400. Its totient is φ = 7911360.

The previous prime is 12209101. The next prime is 12209137. The reversal of 12209103 is 30190221.

It is a happy number.

It is not a de Polignac number, because 12209103 - 2¹ = 12209101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209101) 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, 45253 + ... + 45521.

It is an arithmetic number, because the mean of its divisors is an integer number (775350).

Almost surely, 2^12209103 is an apocalyptic number.

12209103 is a deficient number, since it is larger than the sum of its proper divisors (6399297).

12209103 is an equidigital number, since it uses as much as digits as its factorization.

12209103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12209103 is about 3494.1526869901. The cubic root of 12209103 is about 230.2649938776.

Adding to 12209103 its product of nonzero digits (108), we get a triangular number (12209211 = T₄₉₄₁).

Adding to 12209103 its reverse (30190221), we get a palindrome (42399324).

The spelling of 12209103 in words is "twelve million, two hundred nine thousand, one hundred three".