12340103 has 2 divisors, whose sum is σ = 12340104. Its totient is φ = 12340102.

The previous prime is 12340091. The next prime is 12340157. The reversal of 12340103 is 30104321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12340103 - 2¹² = 12336007 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12340193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170051 + 6170052.

It is an arithmetic number, because the mean of its divisors is an integer number (6170052).

Almost surely, 2^12340103 is an apocalyptic number.

12340103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340103 is an equidigital number, since it uses as much as digits as its factorization.

12340103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12340103 is about 3512.8482745487. The cubic root of 12340103 is about 231.0856238244.

Adding to 12340103 its reverse (30104321), we get a palindrome (42444424).

The spelling of 12340103 in words is "twelve million, three hundred forty thousand, one hundred three".