11887982 has 8 divisors (see below), whose sum is σ = 17850000. Its totient is φ = 5937984.

The previous prime is 11887979. The next prime is 11888017. The reversal of 11887982 is 28978811.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (2231250).

Almost surely, 2^11887982 is an apocalyptic number.

11887982 is a deficient number, since it is larger than the sum of its proper divisors (5962018).

11887982 is a wasteful number, since it uses less digits than its factorization.

11887982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010.

The product of its digits is 64512, while the sum is 44.

The square root of 11887982 is about 3447.8953000345. The cubic root of 11887982 is about 228.2282391788.

The spelling of 11887982 in words is "eleven million, eight hundred eighty-seven thousand, nine hundred eighty-two".