12809095 has 8 divisors (see below), whose sum is σ = 16553376. Its totient is φ = 9458976.

The previous prime is 12809057. The next prime is 12809101. The reversal of 12809095 is 59090821.

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 12809095 - 2⁹ = 12808583 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 12809095.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98467 + ... + 98596.

It is an arithmetic number, because the mean of its divisors is an integer number (2069172).

Almost surely, 2^12809095 is an apocalyptic number.

12809095 is a deficient number, since it is larger than the sum of its proper divisors (3744281).

12809095 is a wasteful number, since it uses less digits than its factorization.

12809095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197081.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 12809095 is about 3578.9796031830. The cubic root of 12809095 is about 233.9768099843.

The spelling of 12809095 in words is "twelve million, eight hundred nine thousand, ninety-five".