12355103 has 2 divisors, whose sum is σ = 12355104. Its totient is φ = 12355102.

The previous prime is 12355099. The next prime is 12355127. The reversal of 12355103 is 30155321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12355103 - 2² = 12355099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12355153) 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, 6177551 + 6177552.

It is an arithmetic number, because the mean of its divisors is an integer number (6177552).

Almost surely, 2^12355103 is an apocalyptic number.

12355103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355103 is an equidigital number, since it uses as much as digits as its factorization.

12355103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12355103 is about 3514.9826457609. The cubic root of 12355103 is about 231.1792178791.

The spelling of 12355103 in words is "twelve million, three hundred fifty-five thousand, one hundred three".