11966380 has 24 divisors (see below), whose sum is σ = 25557840. Its totient is φ = 4704960.

The previous prime is 11966377. The next prime is 11966389. The reversal of 11966380 is 8366911.

It is not an unprimeable number, because it can be changed into a prime (11966389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891 + ... + 6250.

It is an arithmetic number, because the mean of its divisors is an integer number (1064910).

Almost surely, 2^11966380 is an apocalyptic number.

11966380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11966380 is an abundant number, since it is smaller than the sum of its proper divisors (13591460).

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

11966380 is a wasteful number, since it uses less digits than its factorization.

11966380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209 (or 10207 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11966380 is about 3459.2455824934. The cubic root of 11966380 is about 228.7288413447.

The spelling of 11966380 in words is "eleven million, nine hundred sixty-six thousand, three hundred eighty".