11731684 has 12 divisors (see below), whose sum is σ = 20812204. Its totient is φ = 5785344.

The previous prime is 11731667. The next prime is 11731691. The reversal of 11731684 is 48613711.

It can be written as a sum of positive squares in 2 ways, for example, as 9241600 + 2490084 = 3040^2 + 1578^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19797 + ... + 20380.

Almost surely, 2^11731684 is an apocalyptic number.

It is an amenable number.

11731684 is a deficient number, since it is larger than the sum of its proper divisors (9080520).

11731684 is a wasteful number, since it uses less digits than its factorization.

11731684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40254 (or 40252 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 11731684 is about 3425.1545950511. The cubic root of 11731684 is about 227.2236083135.

The spelling of 11731684 in words is "eleven million, seven hundred thirty-one thousand, six hundred eighty-four".