11187713 has 4 divisors (see below), whose sum is σ = 11776560. Its totient is φ = 10598868.

The previous prime is 11187691. The next prime is 11187749. The reversal of 11187713 is 31778111.

11187713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11187713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11187763) 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, 294395 + ... + 294432.

It is an arithmetic number, because the mean of its divisors is an integer number (2944140).

Almost surely, 2^11187713 is an apocalyptic number.

It is an amenable number.

11187713 is a deficient number, since it is larger than the sum of its proper divisors (588847).

11187713 is an equidigital number, since it uses as much as digits as its factorization.

11187713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588846.

The product of its digits is 1176, while the sum is 29.

The square root of 11187713 is about 3344.8038806483. The cubic root of 11187713 is about 223.6559410320.

The spelling of 11187713 in words is "eleven million, one hundred eighty-seven thousand, seven hundred thirteen".