11809032 has 96 divisors (see below), whose sum is σ = 32918400. Its totient is φ = 3523968.

The previous prime is 11809019. The next prime is 11809043. The reversal of 11809032 is 23090811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11808993 and 11809011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251233 + ... + 251279.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

Almost surely, 2^11809032 is an apocalyptic number.

11809032 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 11809032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16459200).

11809032 is an abundant number, since it is smaller than the sum of its proper divisors (21109368).

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

11809032 is a wasteful number, since it uses less digits than its factorization.

11809032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11809032 is about 3436.4272144191. The cubic root of 11809032 is about 227.7218831101.

Adding to 11809032 its reverse (23090811), we get a palindrome (34899843).

The spelling of 11809032 in words is "eleven million, eight hundred nine thousand, thirty-two".