11812385 has 8 divisors (see below), whose sum is σ = 15265320. Its totient is φ = 8722944.

The previous prime is 11812379. The next prime is 11812403. The reversal of 11812385 is 58321811.

11812385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1366561 + 10445824 = 1169^2 + 3232^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11812385 - 2¹⁰ = 11811361 is a prime.

It is an unprimeable number.

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, 90800 + ... + 90929.

It is an arithmetic number, because the mean of its divisors is an integer number (1908165).

Almost surely, 2^11812385 is an apocalyptic number.

It is an amenable number.

11812385 is a deficient number, since it is larger than the sum of its proper divisors (3452935).

11812385 is a wasteful number, since it uses less digits than its factorization.

11812385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181747.

The product of its digits is 1920, while the sum is 29.

The square root of 11812385 is about 3436.9150411379. The cubic root of 11812385 is about 227.7434338243.

The spelling of 11812385 in words is "eleven million, eight hundred twelve thousand, three hundred eighty-five".