11805738 has 64 divisors (see below), whose sum is σ = 28366848. Its totient is φ = 3205440.

The previous prime is 11805733. The next prime is 11805751. The reversal of 11805738 is 83750811.

It is a junction number, because it is equal to n+sod(n) for n = 11805699 and 11805708.

It is not an unprimeable number, because it can be changed into a prime (11805733) 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, 110281 + ... + 110387.

It is an arithmetic number, because the mean of its divisors is an integer number (443232).

Almost surely, 2^11805738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11805738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14183424).

11805738 is an abundant number, since it is smaller than the sum of its proper divisors (16561110).

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

11805738 is a wasteful number, since it uses less digits than its factorization.

11805738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 11805738 is about 3435.9479041452. The cubic root of 11805738 is about 227.7007076336.

The spelling of 11805738 in words is "eleven million, eight hundred five thousand, seven hundred thirty-eight".