11687960 has 32 divisors (see below), whose sum is σ = 26861760. Its totient is φ = 4574976.

The previous prime is 11687953. The next prime is 11687989. The reversal of 11687960 is 6978611.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (839430).

Almost surely, 2^11687960 is an apocalyptic number.

11687960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11687960 is an abundant number, since it is smaller than the sum of its proper divisors (15173800).

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

11687960 is a wasteful number, since it uses less digits than its factorization.

11687960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275 (or 6271 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 11687960 is about 3418.7658591954. The cubic root of 11687960 is about 226.9409693388.

The spelling of 11687960 in words is "eleven million, six hundred eighty-seven thousand, nine hundred sixty".