11765982 has 16 divisors (see below), whose sum is σ = 23657472. Its totient is φ = 3901080.

The previous prime is 11765981. The next prime is 11765987. The reversal of 11765982 is 28956711.

It is a self number, because there is not a number n which added to its sum of digits gives 11765982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11765981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3988 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (1478592).

Almost surely, 2^11765982 is an apocalyptic number.

11765982 is an abundant number, since it is smaller than the sum of its proper divisors (11891490).

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

11765982 is a wasteful number, since it uses less digits than its factorization.

11765982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its digits is 30240, while the sum is 39.

The square root of 11765982 is about 3430.1577223212. The cubic root of 11765982 is about 227.4448250047. Note that the first 3 decimals are identical.

The spelling of 11765982 in words is "eleven million, seven hundred sixty-five thousand, nine hundred eighty-two".