12342105 has 16 divisors (see below), whose sum is σ = 21941760. Its totient is φ = 6582384.

The previous prime is 12342073. The next prime is 12342149. The reversal of 12342105 is 50124321.

It is not a de Polignac number, because 12342105 - 2⁵ = 12342073 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 45577 + ... + 45846.

It is an arithmetic number, because the mean of its divisors is an integer number (1371360).

Almost surely, 2^12342105 is an apocalyptic number.

12342105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12342105 is a deficient number, since it is larger than the sum of its proper divisors (9599655).

12342105 is an equidigital number, since it uses as much as digits as its factorization.

12342105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91437 (or 91431 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12342105 is about 3513.1332169447. The cubic root of 12342105 is about 231.0981198952.

Adding to 12342105 its reverse (50124321), we get a palindrome (62466426).

The spelling of 12342105 in words is "twelve million, three hundred forty-two thousand, one hundred five".