12808667 has 8 divisors (see below), whose sum is σ = 13605696. Its totient is φ = 12016512.

The previous prime is 12808661. The next prime is 12808721. The reversal of 12808667 is 76680821.

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 12808667 - 2¹⁰ = 12807643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12808667.

It is not an unprimeable number, because it can be changed into a prime (12808661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5213 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (1700712).

Almost surely, 2^12808667 is an apocalyptic number.

12808667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12808667 is a deficient number, since it is larger than the sum of its proper divisors (797029).

12808667 is a wasteful number, since it uses less digits than its factorization.

12808667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12808667 is about 3578.9198091044. The cubic root of 12808667 is about 233.9742039404.

The spelling of 12808667 in words is "twelve million, eight hundred eight thousand, six hundred sixty-seven".