11738636 has 72 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 4354560.

The previous prime is 11738627. The next prime is 11738647. The reversal of 11738636 is 63683711.

It is a junction number, because it is equal to n+sod(n) for n = 11738596 and 11738605.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43181 + ... + 43451.

It is an arithmetic number, because the mean of its divisors is an integer number (379848).

Almost surely, 2^11738636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11738636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13674528).

11738636 is an abundant number, since it is smaller than the sum of its proper divisors (15610420).

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

11738636 is a wasteful number, since it uses less digits than its factorization.

11738636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 11738636 is about 3426.1692894543. The cubic root of 11738636 is about 227.2684824225.

The spelling of 11738636 in words is "eleven million, seven hundred thirty-eight thousand, six hundred thirty-six".