11789730 has 48 divisors (see below), whose sum is σ = 30980664. Its totient is φ = 3110400.

The previous prime is 11789707. The next prime is 11789737. The reversal of 11789730 is 3798711.

It can be written as a sum of positive squares in 4 ways, for example, as 11350161 + 439569 = 3369^2 + 663^2 .

It is not an unprimeable number, because it can be changed into a prime (11789737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8442 + ... + 9738.

Almost surely, 2^11789730 is an apocalyptic number.

11789730 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 11789730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15490332).

11789730 is an abundant number, since it is smaller than the sum of its proper divisors (19190934).

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

11789730 is a wasteful number, since it uses less digits than its factorization.

11789730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11789730 is about 3433.6176257702. The cubic root of 11789730 is about 227.5977440955.

The spelling of 11789730 in words is "eleven million, seven hundred eighty-nine thousand, seven hundred thirty".