11969924 has 24 divisors (see below), whose sum is σ = 22814400. Its totient is φ = 5473440.

The previous prime is 11969911. The next prime is 11969927. The reversal of 11969924 is 42996911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11969927) 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 7 ways as a sum of consecutive naturals, for example, 512 + ... + 4919.

It is an arithmetic number, because the mean of its divisors is an integer number (950600).

Almost surely, 2^11969924 is an apocalyptic number.

It is an amenable number.

11969924 is a deficient number, since it is larger than the sum of its proper divisors (10844476).

11969924 is a wasteful number, since it uses less digits than its factorization.

11969924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5481 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 11969924 is about 3459.7577949909. The cubic root of 11969924 is about 228.7514194623.

The spelling of 11969924 in words is "eleven million, nine hundred sixty-nine thousand, nine hundred twenty-four".