12808802 has 4 divisors (see below), whose sum is σ = 19213206. Its totient is φ = 6404400.

The previous prime is 12808801. The next prime is 12808819. The reversal of 12808802 is 20880821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 982081 = 3439^2 + 991^2 .

It is not an unprimeable number, because it can be changed into a prime (12808801) 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 as a sum of consecutive naturals, namely, 3202199 + ... + 3202202.

Almost surely, 2^12808802 is an apocalyptic number.

12808802 is a deficient number, since it is larger than the sum of its proper divisors (6404404).

12808802 is an equidigital number, since it uses as much as digits as its factorization.

12808802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404403.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 12808802 is about 3578.9386694941. The cubic root of 12808802 is about 233.9750259465.

The spelling of 12808802 in words is "twelve million, eight hundred eight thousand, eight hundred two".