11687799 has 8 divisors (see below), whose sum is σ = 15613312. Its totient is φ = 7777080.

The previous prime is 11687771. The next prime is 11687801. The reversal of 11687799 is 99778611.

It is a happy number.

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

It is not a de Polignac number, because 11687799 - 2⁹ = 11687287 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 (11687759) 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, 1699 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1951664).

Almost surely, 2^11687799 is an apocalyptic number.

11687799 is a deficient number, since it is larger than the sum of its proper divisors (3925513).

11687799 is an equidigital number, since it uses as much as digits as its factorization.

11687799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397.

The product of its digits is 190512, while the sum is 48.

The square root of 11687799 is about 3418.7423126056. The cubic root of 11687799 is about 226.9399273074.

The spelling of 11687799 in words is "eleven million, six hundred eighty-seven thousand, seven hundred ninety-nine".