11959982 has 4 divisors (see below), whose sum is σ = 17939976. Its totient is φ = 5979990.

The previous prime is 11959979. The next prime is 11959999. The reversal of 11959982 is 28995911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989994 + ... + 2989997.

It is an arithmetic number, because the mean of its divisors is an integer number (4484994).

Almost surely, 2^11959982 is an apocalyptic number.

11959982 is a deficient number, since it is larger than the sum of its proper divisors (5979994).

11959982 is an equidigital number, since it uses as much as digits as its factorization.

11959982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979993.

The product of its digits is 58320, while the sum is 44.

The square root of 11959982 is about 3458.3206907399. The cubic root of 11959982 is about 228.6880696712.

The spelling of 11959982 in words is "eleven million, nine hundred fifty-nine thousand, nine hundred eighty-two".