11663982 has 24 divisors (see below), whose sum is σ = 27569880. Its totient is φ = 3534480.

The previous prime is 11663957. The next prime is 11663983. The reversal of 11663982 is 28936611.

11663982 is a `hidden beast` number, since 1 + 16 + 639 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29257 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (1148745).

Almost surely, 2^11663982 is an apocalyptic number.

11663982 is an abundant number, since it is smaller than the sum of its proper divisors (15905898).

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

11663982 is a wasteful number, since it uses less digits than its factorization.

11663982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58928 (or 58925 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 11663982 is about 3415.2572377494. The cubic root of 11663982 is about 226.7856723217.

It can be divided in two parts, 1166398 and 2, that added together give a square (1166400 = 1080²).

The spelling of 11663982 in words is "eleven million, six hundred sixty-three thousand, nine hundred eighty-two".