11969984 has 28 divisors (see below), whose sum is σ = 25581864. Its totient is φ = 5524224.

The previous prime is 11969963. The next prime is 11969987. The reversal of 11969984 is 48996911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969987) 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 3 ways as a sum of consecutive naturals, for example, 6362 + ... + 8025.

It is an arithmetic number, because the mean of its divisors is an integer number (913638).

Almost surely, 2^11969984 is an apocalyptic number.

It is an amenable number.

11969984 is an abundant number, since it is smaller than the sum of its proper divisors (13611880).

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

11969984 is a wasteful number, since it uses less digits than its factorization.

11969984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412 (or 14402 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The square root of 11969984 is about 3459.7664661072. The cubic root of 11969984 is about 228.7518016719.

The spelling of 11969984 in words is "eleven million, nine hundred sixty-nine thousand, nine hundred eighty-four".