11765713 has 4 divisors (see below), whose sum is σ = 11786148. Its totient is φ = 11745280.

The previous prime is 11765659. The next prime is 11765759. The reversal of 11765713 is 31756711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 9102289 = 1632^2 + 3017^2 .

It is a cyclic number.

It is not a de Polignac number, because 11765713 - 2¹³ = 11757521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11765783) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9328 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (2946537).

Almost surely, 2^11765713 is an apocalyptic number.

It is an amenable number.

11765713 is a deficient number, since it is larger than the sum of its proper divisors (20435).

11765713 is an equidigital number, since it uses as much as digits as its factorization.

11765713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20434.

The product of its digits is 4410, while the sum is 31.

The square root of 11765713 is about 3430.1185110722. The cubic root of 11765713 is about 227.4430916709.

It can be divided in two parts, 1176 and 5713, that added together give a square (6889 = 83²).

The spelling of 11765713 in words is "eleven million, seven hundred sixty-five thousand, seven hundred thirteen".