12986808 has 32 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 4303328.

The previous prime is 12986807. The next prime is 12986833. The reversal of 12986808 is 80868921.

It is a self number, because there is not a number n which added to its sum of digits gives 12986808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986801) 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, 2785 + ... + 5807.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^12986808 is an apocalyptic number.

It is an amenable number.

12986808 is an abundant number, since it is smaller than the sum of its proper divisors (19672392).

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

12986808 is a wasteful number, since it uses less digits than its factorization.

12986808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 12986808 is about 3603.7214098762. The cubic root of 12986808 is about 235.0539064505.

The spelling of 12986808 in words is "twelve million, nine hundred eighty-six thousand, eight hundred eight".