11992680 has 96 divisors (see below), whose sum is σ = 44553600. Its totient is φ = 2740608.

The previous prime is 11992679. The next prime is 11992693. The reversal of 11992680 is 8629911.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 141 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 2^11992680 is an apocalyptic number.

11992680 is a gapful number since it is divisible by the number (10) 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 11992680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22276800).

11992680 is an abundant number, since it is smaller than the sum of its proper divisors (32560920).

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

11992680 is a wasteful number, since it uses less digits than its factorization.

11992680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 11992680 is about 3463.0449029719. The cubic root of 11992680 is about 228.8962873294.

The spelling of 11992680 in words is "eleven million, nine hundred ninety-two thousand, six hundred eighty".