12808973 has 8 divisors (see below), whose sum is σ = 13617720. Its totient is φ = 12006400.

The previous prime is 12808951. The next prime is 12808979. The reversal of 12808973 is 37980821.

12808973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 996004 + 11812969 = 998^2 + 3437^2 .

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 12808973 - 2¹² = 12804877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (1702215).

Almost surely, 2^12808973 is an apocalyptic number.

It is an amenable number.

12808973 is a deficient number, since it is larger than the sum of its proper divisors (808747).

12808973 is a wasteful number, since it uses less digits than its factorization.

12808973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12808973 is about 3578.9625591783. The cubic root of 12808973 is about 233.9760671459.

The spelling of 12808973 in words is "twelve million, eight hundred eight thousand, nine hundred seventy-three".