12308105 has 32 divisors (see below), whose sum is σ = 16727040. Its totient is φ = 8648640.

The previous prime is 12308089. The next prime is 12308113. The reversal of 12308105 is 50180321.

It is not a de Polignac number, because 12308105 - 2⁴ = 12308089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93890 + ... + 94020.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^12308105 is an apocalyptic number.

It is an amenable number.

12308105 is a deficient number, since it is larger than the sum of its proper divisors (4418935).

12308105 is a wasteful number, since it uses less digits than its factorization.

12308105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12308105 is about 3508.2908944385. The cubic root of 12308105 is about 230.8857152241.

Adding to 12308105 its reverse (50180321), we get a palindrome (62488426).

The spelling of 12308105 in words is "twelve million, three hundred eight thousand, one hundred five".