11963808 has 96 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 3905280.

The previous prime is 11963807. The next prime is 11963821. The reversal of 11963808 is 80836911.

11963808 is a `hidden beast` number, since 1 + 19 + 638 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11963807) 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 15 ways as a sum of consecutive naturals, for example, 52591 + ... + 52817.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^11963808 is an apocalyptic number.

11963808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11963808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17811360).

11963808 is an abundant number, since it is smaller than the sum of its proper divisors (23658912).

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

11963808 is a wasteful number, since it uses less digits than its factorization.

11963808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11963808 is about 3458.8738051568. The cubic root of 11963808 is about 228.7124528537.

The spelling of 11963808 in words is "eleven million, nine hundred sixty-three thousand, eight hundred eight".