11743986 has 16 divisors (see below), whose sum is σ = 23544864. Its totient is φ = 3905184.

The previous prime is 11743973. The next prime is 11743993. The reversal of 11743986 is 68934711.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 601 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1471554).

Almost surely, 2^11743986 is an apocalyptic number.

11743986 is an abundant number, since it is smaller than the sum of its proper divisors (11800878).

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

11743986 is a wasteful number, since it uses less digits than its factorization.

11743986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745.

The product of its digits is 36288, while the sum is 39.

The square root of 11743986 is about 3426.9499558645. The cubic root of 11743986 is about 227.3030038016.

The spelling of 11743986 in words is "eleven million, seven hundred forty-three thousand, nine hundred eighty-six".