11959904 has 48 divisors (see below), whose sum is σ = 26154576. Its totient is φ = 5337600.

The previous prime is 11959903. The next prime is 11959921. The reversal of 11959904 is 40995911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11959901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21194 + ... + 21750.

It is an arithmetic number, because the mean of its divisors is an integer number (544887).

Almost surely, 2^11959904 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 11959904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13077288).

11959904 is an abundant number, since it is smaller than the sum of its proper divisors (14194672).

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

11959904 is a wasteful number, since it uses less digits than its factorization.

11959904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 11959904 is about 3458.3094135719. The cubic root of 11959904 is about 228.6875725214.

The spelling of 11959904 in words is "eleven million, nine hundred fifty-nine thousand, nine hundred four".