11687687 has 8 divisors (see below), whose sum is σ = 13500432. Its totient is φ = 10000000.

The previous prime is 11687677. The next prime is 11687693. The reversal of 11687687 is 78678611.

11687687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11687687 - 2¹⁰ = 11686663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687677) 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, 31064 + ... + 31437.

It is an arithmetic number, because the mean of its divisors is an integer number (1687554).

Almost surely, 2^11687687 is an apocalyptic number.

11687687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11687687 is a deficient number, since it is larger than the sum of its proper divisors (1812745).

11687687 is a wasteful number, since it uses less digits than its factorization.

11687687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62529.

The product of its digits is 112896, while the sum is 44.

The square root of 11687687 is about 3418.7259322736. The cubic root of 11687687 is about 226.9392024104.

The spelling of 11687687 in words is "eleven million, six hundred eighty-seven thousand, six hundred eighty-seven".