11773944 has 128 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 3100032.

The previous prime is 11773943. The next prime is 11773963. The reversal of 11773944 is 44937711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11773899 and 11773908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11773943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19357 + ... + 19955.

It is an arithmetic number, because the mean of its divisors is an integer number (315000).

Almost surely, 2^11773944 is an apocalyptic number.

11773944 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 11773944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20160000).

11773944 is an abundant number, since it is smaller than the sum of its proper divisors (28546056).

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

11773944 is a wasteful number, since it uses less digits than its factorization.

11773944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 11773944 is about 3431.3181140780. The cubic root of 11773944 is about 227.4961171498.

The spelling of 11773944 in words is "eleven million, seven hundred seventy-three thousand, nine hundred forty-four".