11980782 has 24 divisors (see below), whose sum is σ = 28318680. Its totient is φ = 3630480.

The previous prime is 11980781. The next prime is 11980783. The reversal of 11980782 is 28708911.

It is an interprime number because it is at equal distance from previous prime (11980781) and next prime (11980783).

It is a super-3 number, since 3×11980782³ (a number of 22 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30057 + ... + 30452.

It is an arithmetic number, because the mean of its divisors is an integer number (1179945).

Almost surely, 2^11980782 is an apocalyptic number.

11980782 is an abundant number, since it is smaller than the sum of its proper divisors (16337898).

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

11980782 is a wasteful number, since it uses less digits than its factorization.

11980782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60528 (or 60525 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 11980782 is about 3461.3266242873. The cubic root of 11980782 is about 228.8205658849.

The spelling of 11980782 in words is "eleven million, nine hundred eighty thousand, seven hundred eighty-two".