12805208 has 16 divisors (see below), whose sum is σ = 25856880. Its totient is φ = 5910048.

The previous prime is 12805193. The next prime is 12805217. The reversal of 12805208 is 80250821.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61460 + ... + 61667.

It is an arithmetic number, because the mean of its divisors is an integer number (1616055).

Almost surely, 2^12805208 is an apocalyptic number.

It is an amenable number.

12805208 is an abundant number, since it is smaller than the sum of its proper divisors (13051672).

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

12805208 is a wasteful number, since it uses less digits than its factorization.

12805208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123146 (or 123142 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 12805208 is about 3578.4365301064. The cubic root of 12805208 is about 233.9531403477.

The spelling of 12805208 in words is "twelve million, eight hundred five thousand, two hundred eight".