11687660 has 24 divisors (see below), whose sum is σ = 25836720. Its totient is φ = 4428864.

The previous prime is 11687639. The next prime is 11687677. The reversal of 11687660 is 6678611.

It is a self number, because there is not a number n which added to its sum of digits gives 11687660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14999 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (1076530).

Almost surely, 2^11687660 is an apocalyptic number.

11687660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11687660 is an abundant number, since it is smaller than the sum of its proper divisors (14149060).

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

11687660 is a wasteful number, since it uses less digits than its factorization.

11687660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785 (or 30783 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 11687660 is about 3418.7219834318. The cubic root of 11687660 is about 226.9390276577.

The spelling of 11687660 in words is "eleven million, six hundred eighty-seven thousand, six hundred sixty".