11685318 has 16 divisors (see below), whose sum is σ = 24176880. Its totient is φ = 3760736.

The previous prime is 11685301. The next prime is 11685319. The reversal of 11685318 is 81358611.

11685318 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11685318² = 273093313522248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11685319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33405 + ... + 33752.

It is an arithmetic number, because the mean of its divisors is an integer number (1511055).

Almost surely, 2^11685318 is an apocalyptic number.

11685318 is an abundant number, since it is smaller than the sum of its proper divisors (12491562).

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

11685318 is a wasteful number, since it uses less digits than its factorization.

11685318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67191.

The product of its digits is 5760, while the sum is 33.

The square root of 11685318 is about 3418.3794406122. The cubic root of 11685318 is about 226.9238684583.

The spelling of 11685318 in words is "eleven million, six hundred eighty-five thousand, three hundred eighteen".