11747982 has 8 divisors (see below), whose sum is σ = 23495976. Its totient is φ = 3915992.

The previous prime is 11747971. The next prime is 11748031. The reversal of 11747982 is 28974711.

It is a sphenic number, since it is the product of 3 distinct primes.

11747982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11747982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978993 + ... + 979004.

It is an arithmetic number, because the mean of its divisors is an integer number (2936997).

Almost surely, 2^11747982 is an apocalyptic number.

11747982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11747982 is a wasteful number, since it uses less digits than its factorization.

11747982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958002.

The product of its digits is 28224, while the sum is 39.

The square root of 11747982 is about 3427.5329320081. The cubic root of 11747982 is about 227.3287815289.

The spelling of 11747982 in words is "eleven million, seven hundred forty-seven thousand, nine hundred eighty-two".