12809092 has 12 divisors (see below), whose sum is σ = 23734620. Its totient is φ = 6027776.

The previous prime is 12809057. The next prime is 12809101. The reversal of 12809092 is 29090821.

It can be written as a sum of positive squares in 2 ways, for example, as 10394176 + 2414916 = 3224^2 + 1554^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94117 + ... + 94252.

It is an arithmetic number, because the mean of its divisors is an integer number (1977885).

Almost surely, 2^12809092 is an apocalyptic number.

It is an amenable number.

12809092 is a deficient number, since it is larger than the sum of its proper divisors (10925528).

12809092 is a wasteful number, since it uses less digits than its factorization.

12809092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188390 (or 188388 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12809092 is about 3578.9791840691. The cubic root of 12809092 is about 233.9767917178.

The spelling of 12809092 in words is "twelve million, eight hundred nine thousand, ninety-two".