11708887 has 4 divisors (see below), whose sum is σ = 11760696. Its totient is φ = 11657080.

The previous prime is 11708881. The next prime is 11708897. The reversal of 11708887 is 78880711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11708887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11708881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25564 + ... + 26017.

It is an arithmetic number, because the mean of its divisors is an integer number (2940174).

Almost surely, 2^11708887 is an apocalyptic number.

11708887 is a deficient number, since it is larger than the sum of its proper divisors (51809).

11708887 is an equidigital number, since it uses as much as digits as its factorization.

11708887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51808.

The product of its (nonzero) digits is 25088, while the sum is 40.

The square root of 11708887 is about 3421.8250978096. The cubic root of 11708887 is about 227.0763326256.

The spelling of 11708887 in words is "eleven million, seven hundred eight thousand, eight hundred eighty-seven".