11685912 has 96 divisors (see below), whose sum is σ = 35841600. Its totient is φ = 3157056.

The previous prime is 11685911. The next prime is 11685923. The reversal of 11685912 is 21958611.

It is a super-3 number, since 3×11685912³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11685911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22083 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (373350).

Almost surely, 2^11685912 is an apocalyptic number.

11685912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11685912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17920800).

11685912 is an abundant number, since it is smaller than the sum of its proper divisors (24155688).

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

11685912 is a wasteful number, since it uses less digits than its factorization.

11685912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 554 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 11685912 is about 3418.4663227828. The cubic root of 11685912 is about 226.9277134683.

The spelling of 11685912 in words is "eleven million, six hundred eighty-five thousand, nine hundred twelve".