12808550 has 24 divisors (see below), whose sum is σ = 24045336. Its totient is φ = 5075840.

The previous prime is 12808529. The next prime is 12808583. The reversal of 12808550 is 5580821.

12808550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4517 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (1001889).

Almost surely, 2^12808550 is an apocalyptic number.

12808550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12808550 is a deficient number, since it is larger than the sum of its proper divisors (11236786).

12808550 is a wasteful number, since it uses less digits than its factorization.

12808550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 12808550 is about 3578.9034633530. The cubic root of 12808550 is about 233.9734915304.

The spelling of 12808550 in words is "twelve million, eight hundred eight thousand, five hundred fifty".