11980784 has 30 divisors (see below), whose sum is σ = 24668064. Its totient is φ = 5635840.

The previous prime is 11980783. The next prime is 11980807. The reversal of 11980784 is 48708911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3329 + ... + 5919.

Almost surely, 2^11980784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11980784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12334032).

11980784 is an abundant number, since it is smaller than the sum of its proper divisors (12687280).

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

11980784 is a wasteful number, since it uses less digits than its factorization.

11980784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11980784 is about 3461.3269131938. The cubic root of 11980784 is about 228.8205786176.

The spelling of 11980784 in words is "eleven million, nine hundred eighty thousand, seven hundred eighty-four".