11680938 has 48 divisors (see below), whose sum is σ = 27293760. Its totient is φ = 3596928.

The previous prime is 11680919. The next prime is 11680961. The reversal of 11680938 is 83908611.

11680938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 17731 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (568620).

Almost surely, 2^11680938 is an apocalyptic number.

11680938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11680938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13646880).

11680938 is an abundant number, since it is smaller than the sum of its proper divisors (15612822).

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

11680938 is a wasteful number, since it uses less digits than its factorization.

11680938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11680938 is about 3417.7387261170. The cubic root of 11680938 is about 226.8955123407.

The spelling of 11680938 in words is "eleven million, six hundred eighty thousand, nine hundred thirty-eight".