11686394 has 16 divisors (see below), whose sum is σ = 18302760. Its totient is φ = 5591040.

The previous prime is 11686393. The next prime is 11686397. The reversal of 11686394 is 49368611.

It can be written as a sum of positive squares in 4 ways, for example, as 5004169 + 6682225 = 2237^2 + 2585^2 .

It is not an unprimeable number, because it can be changed into a prime (11686393) by changing a digit.

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, 3002 + ... + 5690.

Almost surely, 2^11686394 is an apocalyptic number.

11686394 is a deficient number, since it is larger than the sum of its proper divisors (6616366).

11686394 is a wasteful number, since it uses less digits than its factorization.

11686394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its digits is 31104, while the sum is 38.

The square root of 11686394 is about 3418.5368215071. The cubic root of 11686394 is about 226.9308333975.

The spelling of 11686394 in words is "eleven million, six hundred eighty-six thousand, three hundred ninety-four".