11712583 has 4 divisors (see below), whose sum is σ = 11720920. Its totient is φ = 11704248.

The previous prime is 11712577. The next prime is 11712587. The reversal of 11712583 is 38521711.

11712583 is digitally balanced in base 2, 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11712583 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 (11712587) 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, 1485 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (2930230).

Almost surely, 2^11712583 is an apocalyptic number.

11712583 is a deficient number, since it is larger than the sum of its proper divisors (8337).

11712583 is an equidigital number, since it uses as much as digits as its factorization.

11712583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336.

The product of its digits is 1680, while the sum is 28.

The square root of 11712583 is about 3422.3651178681. The cubic root of 11712583 is about 227.1002229075.

The spelling of 11712583 in words is "eleven million, seven hundred twelve thousand, five hundred eighty-three".