11830788 has 18 divisors (see below), whose sum is σ = 29905694. Its totient is φ = 3943584.

The previous prime is 11830771. The next prime is 11830813. The reversal of 11830788 is 88703811.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 419904 = 3378^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 328633 = 11830788 / (1 + 1 + 8 + 3 + 0 + 7 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164281 + ... + 164352.

Almost surely, 2^11830788 is an apocalyptic number.

11830788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11830788 is an abundant number, since it is smaller than the sum of its proper divisors (18074906).

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

11830788 is a wasteful number, since it uses less digits than its factorization.

11830788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328643 (or 328638 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 11830788 is about 3439.5912547860. The cubic root of 11830788 is about 227.8616427428.

The spelling of 11830788 in words is "eleven million, eight hundred thirty thousand, seven hundred eighty-eight".