12305305 has 8 divisors (see below), whose sum is σ = 15080832. Its totient is φ = 9634608.

The previous prime is 12305273. The next prime is 12305311. The reversal of 12305305 is 50350321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12305305 - 2⁵ = 12305273 is a prime.

It is a super-2 number, since 2×12305305² = 302841062286050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25947 + ... + 26416.

It is an arithmetic number, because the mean of its divisors is an integer number (1885104).

Almost surely, 2^12305305 is an apocalyptic number.

It is an amenable number.

12305305 is a deficient number, since it is larger than the sum of its proper divisors (2775527).

12305305 is an equidigital number, since it uses as much as digits as its factorization.

12305305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52415.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 12305305 is about 3507.8918170320. The cubic root of 12305305 is about 230.8682056499.

Adding to 12305305 its reverse (50350321), we get a palindrome (62655626).

The spelling of 12305305 in words is "twelve million, three hundred five thousand, three hundred five".