11706681 has 8 divisors (see below), whose sum is σ = 17838784. Its totient is φ = 6689520.

The previous prime is 11706677. The next prime is 11706697. The reversal of 11706681 is 18660711.

It is a happy number.

11706681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11706681 - 2² = 11706677 is a prime.

It is a super-2 number, since 2×11706681² = 274092760071522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11706661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 278710 + ... + 278751.

It is an arithmetic number, because the mean of its divisors is an integer number (2229848).

Almost surely, 2^11706681 is an apocalyptic number.

It is an amenable number.

11706681 is a deficient number, since it is larger than the sum of its proper divisors (6132103).

11706681 is an equidigital number, since it uses as much as digits as its factorization.

11706681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557471.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11706681 is about 3421.5027400252. The cubic root of 11706681 is about 227.0620710409.

The spelling of 11706681 in words is "eleven million, seven hundred six thousand, six hundred eighty-one".