12663065 has 8 divisors (see below), whose sum is σ = 15606600. Its totient is φ = 9856512.

The previous prime is 12663029. The next prime is 12663073. The reversal of 12663065 is 56036621.

It can be written as a sum of positive squares in 4 ways, for example, as 994009 + 11669056 = 997^2 + 3416^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12663065 is a prime.

It is a Curzon 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, 34040 + ... + 34409.

It is an arithmetic number, because the mean of its divisors is an integer number (1950825).

Almost surely, 2^12663065 is an apocalyptic number.

It is an amenable number.

12663065 is a deficient number, since it is larger than the sum of its proper divisors (2943535).

12663065 is an equidigital number, since it uses as much as digits as its factorization.

12663065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68491.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 12663065 is about 3558.5200575520. The cubic root of 12663065 is about 233.0842591610.

Adding to 12663065 its reverse (56036621), we get a palindrome (68699686).

The spelling of 12663065 in words is "twelve million, six hundred sixty-three thousand, sixty-five".