12730808 has 8 divisors (see below), whose sum is σ = 23870280. Its totient is φ = 6365400.

The previous prime is 12730793. The next prime is 12730819. The reversal of 12730808 is 80803721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795668 + ... + 795683.

It is an arithmetic number, because the mean of its divisors is an integer number (2983785).

Almost surely, 2^12730808 is an apocalyptic number.

It is an amenable number.

12730808 is a deficient number, since it is larger than the sum of its proper divisors (11139472).

12730808 is a wasteful number, since it uses less digits than its factorization.

12730808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591357 (or 1591353 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12730808 is about 3568.0257846602. The cubic root of 12730808 is about 233.4991601258.

The spelling of 12730808 in words is "twelve million, seven hundred thirty thousand, eight hundred eight".