11995808 has 48 divisors (see below), whose sum is σ = 26290656. Its totient is φ = 5341440.

The previous prime is 11995799. The next prime is 11995813. The reversal of 11995808 is 80859911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18335 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (547722).

Almost surely, 2^11995808 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 11995808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13145328).

11995808 is an abundant number, since it is smaller than the sum of its proper divisors (14294848).

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

11995808 is a wasteful number, since it uses less digits than its factorization.

11995808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 11995808 is about 3463.4964992042. The cubic root of 11995808 is about 228.9161862830.

It can be divided in two parts, 1199 and 5808, that added together give a palindrome (7007).

The spelling of 11995808 in words is "eleven million, nine hundred ninety-five thousand, eight hundred eight".