12808115 has 8 divisors (see below), whose sum is σ = 15865728. Its totient is φ = 9915840.

The previous prime is 12808099. The next prime is 12808129. The reversal of 12808115 is 51180821.

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

It is not a de Polignac number, because 12808115 - 2⁴ = 12808099 is a prime.

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, 41162 + ... + 41471.

It is an arithmetic number, because the mean of its divisors is an integer number (1983216).

Almost surely, 2^12808115 is an apocalyptic number.

12808115 is a deficient number, since it is larger than the sum of its proper divisors (3057613).

12808115 is an equidigital number, since it uses as much as digits as its factorization.

12808115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82669.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 12808115 is about 3578.8426900326. The cubic root of 12808115 is about 233.9708427888.

Adding to 12808115 its reverse (51180821), we get a palindrome (63988936).

The spelling of 12808115 in words is "twelve million, eight hundred eight thousand, one hundred fifteen".