11787930 has 192 divisors, whose sum is σ = 40383360. Its totient is φ = 2449440.

The previous prime is 11787901. The next prime is 11787943. The reversal of 11787930 is 3978711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1071625 + ... + 1071635.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

Almost surely, 2^11787930 is an apocalyptic number.

11787930 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 11787930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20191680).

11787930 is an abundant number, since it is smaller than the sum of its proper divisors (28595430).

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

11787930 is an equidigital number, since it uses as much as digits as its factorization.

11787930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 28 counting only the distinct ones).

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

The square root of 11787930 is about 3433.3555015466. The cubic root of 11787930 is about 227.5861606583.

The spelling of 11787930 in words is "eleven million, seven hundred eighty-seven thousand, nine hundred thirty".