11987682 has 16 divisors (see below), whose sum is σ = 27400512. Its totient is φ = 3425040.

The previous prime is 11987681. The next prime is 11987687. The reversal of 11987682 is 28678911.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 285421 = 11987682 / (1 + 1 + 9 + 8 + 7 + 6 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (11987681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142669 + ... + 142752.

It is an arithmetic number, because the mean of its divisors is an integer number (1712532).

Almost surely, 2^11987682 is an apocalyptic number.

11987682 is an abundant number, since it is smaller than the sum of its proper divisors (15412830).

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

11987682 is a wasteful number, since it uses less digits than its factorization.

11987682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285433.

The product of its digits is 48384, while the sum is 42.

The square root of 11987682 is about 3462.3232084830. The cubic root of 11987682 is about 228.8644850799.

The spelling of 11987682 in words is "eleven million, nine hundred eighty-seven thousand, six hundred eighty-two".