11808030 has 96 divisors (see below), whose sum is σ = 32729184. Its totient is φ = 2715648.

The previous prime is 11808019. The next prime is 11808031. The reversal of 11808030 is 3080811.

It is a happy number.

11808030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11807988 and 11808006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86122 + ... + 86258.

It is an arithmetic number, because the mean of its divisors is an integer number (340929).

Almost surely, 2^11808030 is an apocalyptic number.

11808030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11808030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16364592).

11808030 is an abundant number, since it is smaller than the sum of its proper divisors (20921154).

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

11808030 is a wasteful number, since it uses less digits than its factorization.

11808030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11808030 is about 3436.2814203729. The cubic root of 11808030 is about 227.7154421707.

Adding to 11808030 its reverse (3080811), we get a palindrome (14888841).

The spelling of 11808030 in words is "eleven million, eight hundred eight thousand, thirty".