12300665 has 12 divisors (see below), whose sum is σ = 15984684. Its totient is φ = 9082944.

The previous prime is 12300649. The next prime is 12300671. The reversal of 12300665 is 56600321.

12300665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4477456 + 7823209 = 2116^2 + 2797^2 .

It is not a de Polignac number, because 12300665 - 2⁴ = 12300649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12300665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6434 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1332057).

Almost surely, 2^12300665 is an apocalyptic number.

It is an amenable number.

12300665 is a deficient number, since it is larger than the sum of its proper divisors (3684019).

12300665 is a wasteful number, since it uses less digits than its factorization.

12300665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14588 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12300665 is about 3507.2303887826. The cubic root of 12300665 is about 230.8391839354.

Adding to 12300665 its reverse (56600321), we get a palindrome (68900986).

The spelling of 12300665 in words is "twelve million, three hundred thousand, six hundred sixty-five".