12809694 has 8 divisors (see below), whose sum is σ = 25619400. Its totient is φ = 4269896.

The previous prime is 12809647. The next prime is 12809701. The reversal of 12809694 is 49690821.

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

12809694 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067469 + ... + 1067480.

It is an arithmetic number, because the mean of its divisors is an integer number (3202425).

Almost surely, 2^12809694 is an apocalyptic number.

12809694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12809694 is a wasteful number, since it uses less digits than its factorization.

12809694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134954.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 12809694 is about 3579.0632852745. The cubic root of 12809694 is about 233.9804571304.

The spelling of 12809694 in words is "twelve million, eight hundred nine thousand, six hundred ninety-four".