11919844 has 12 divisors (see below), whose sum is σ = 20884864. Its totient is φ = 5952744.

The previous prime is 11919799. The next prime is 11919847. The reversal of 11919844 is 44891911.

It is not an unprimeable number, because it can be changed into a prime (11919847) 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 3 ways as a sum of consecutive naturals, for example, 4069 + ... + 6355.

Almost surely, 2^11919844 is an apocalyptic number.

It is an amenable number.

11919844 is a deficient number, since it is larger than the sum of its proper divisors (8965020).

11919844 is a wasteful number, since it uses less digits than its factorization.

11919844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3592 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 11919844 is about 3452.5127081591. The cubic root of 11919844 is about 228.4319553131.

The spelling of 11919844 in words is "eleven million, nine hundred nineteen thousand, eight hundred forty-four".