11993744 has 40 divisors (see below), whose sum is σ = 26754240. Its totient is φ = 5102208.

The previous prime is 11993743. The next prime is 11993747. The reversal of 11993744 is 44739911.

It is a junction number, because it is equal to n+sod(n) for n = 11993698 and 11993707.

It is not an unprimeable number, because it can be changed into a prime (11993743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19067 + ... + 19685.

It is an arithmetic number, because the mean of its divisors is an integer number (668856).

Almost surely, 2^11993744 is an apocalyptic number.

11993744 is a gapful number since it is divisible by the number (14) 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 11993744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13377120).

11993744 is an abundant number, since it is smaller than the sum of its proper divisors (14760496).

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

11993744 is a wasteful number, since it uses less digits than its factorization.

11993744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 801 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 11993744 is about 3463.1985215982. The cubic root of 11993744 is about 228.9030564154.

The spelling of 11993744 in words is "eleven million, nine hundred ninety-three thousand, seven hundred forty-four".