12039808 has 64 divisors (see below), whose sum is σ = 27760320. Its totient is φ = 5140480.

The previous prime is 12039803. The next prime is 12039821. The reversal of 12039808 is 80893021.

12039808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 12039808.

It is not an unprimeable number, because it can be changed into a prime (12039803) 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, 23685 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (433755).

Almost surely, 2^12039808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12039808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880160).

12039808 is an abundant number, since it is smaller than the sum of its proper divisors (15720512).

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

12039808 is a wasteful number, since it uses less digits than its factorization.

12039808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12039808 is about 3469.8426477291. The cubic root of 12039808 is about 229.1957290011.

It can be divided in two parts, 1203 and 9808, that added together give a palindrome (11011).

The spelling of 12039808 in words is "twelve million, thirty-nine thousand, eight hundred eight".