12389808 has 40 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 4112704.

The previous prime is 12389803. The next prime is 12389833. The reversal of 12389808 is 80898321.

12389808 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 (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12389803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16873 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^12389808 is an apocalyptic number.

It is an amenable number.

12389808 is an abundant number, since it is smaller than the sum of its proper divisors (19750992).

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

12389808 is a wasteful number, since it uses less digits than its factorization.

12389808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 12389808 is about 3519.9159080864. The cubic root of 12389808 is about 231.3954733079.

The spelling of 12389808 in words is "twelve million, three hundred eighty-nine thousand, eight hundred eight".