11805486 has 96 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 2904000.

The previous prime is 11805481. The next prime is 11805491. The reversal of 11805486 is 68450811.

It is an interprime number because it is at equal distance from previous prime (11805481) and next prime (11805491).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11805481) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 116836 + ... + 116936.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

Almost surely, 2^11805486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11805486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15628032).

11805486 is an abundant number, since it is smaller than the sum of its proper divisors (19450578).

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

11805486 is a wasteful number, since it uses less digits than its factorization.

11805486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 11805486 is about 3435.9112328464. The cubic root of 11805486 is about 227.6990874896.

It can be divided in two parts, 1180 and 5486, that added together give a palindrome (6666).

The spelling of 11805486 in words is "eleven million, eight hundred five thousand, four hundred eighty-six".