11816532 has 72 divisors (see below), whose sum is σ = 36772736. Its totient is φ = 3115584.

The previous prime is 11816531. The next prime is 11816533. The reversal of 11816532 is 23561811.

11816532 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 653 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (11816531) and next prime (11816533).

It is a junction number, because it is equal to n+sod(n) for n = 11816496 and 11816505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816531) 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 23 ways as a sum of consecutive naturals, for example, 1473 + ... + 5079.

Almost surely, 2^11816532 is an apocalyptic number.

11816532 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 11816532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18386368).

11816532 is an abundant number, since it is smaller than the sum of its proper divisors (24956204).

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

11816532 is a wasteful number, since it uses less digits than its factorization.

11816532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637 (or 3632 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11816532 is about 3437.5182908604. The cubic root of 11816532 is about 227.7700821689.

The spelling of 11816532 in words is "eleven million, eight hundred sixteen thousand, five hundred thirty-two".