12809308 has 6 divisors (see below), whose sum is σ = 22416296. Its totient is φ = 6404652.

The previous prime is 12809299. The next prime is 12809317. The reversal of 12809308 is 80390821.

12809308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12809299) and next prime (12809317).

It is a self number, because there is not a number n which added to its sum of digits gives 12809308.

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, 1601160 + ... + 1601167.

Almost surely, 2^12809308 is an apocalyptic number.

It is an amenable number.

12809308 is a deficient number, since it is larger than the sum of its proper divisors (9606988).

12809308 is a wasteful number, since it uses less digits than its factorization.

12809308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202331 (or 3202329 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12809308 is about 3579.0093601442. The cubic root of 12809308 is about 233.9781068957.

The spelling of 12809308 in words is "twelve million, eight hundred nine thousand, three hundred eight".