12797808 has 40 divisors (see below), whose sum is σ = 33628800. Its totient is φ = 4192704.

The previous prime is 12797801. The next prime is 12797809. The reversal of 12797808 is 80879721.

It is a self number, because there is not a number n which added to its sum of digits gives 12797808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 573 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (840720).

Almost surely, 2^12797808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12797808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16814400).

12797808 is an abundant number, since it is smaller than the sum of its proper divisors (20830992).

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

12797808 is a wasteful number, since it uses less digits than its factorization.

12797808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 12797808 is about 3577.4024095704. The cubic root of 12797808 is about 233.9080652804.

The spelling of 12797808 in words is "twelve million, seven hundred ninety-seven thousand, eight hundred eight".