11563679 has 4 divisors (see below), whose sum is σ = 11573976. Its totient is φ = 11553384.

The previous prime is 11563667. The next prime is 11563693. The reversal of 11563679 is 97636511.

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 not a de Polignac number, because 11563679 - 2⁸ = 11563423 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 (11563649) 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, 3224 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (2893494).

Almost surely, 2^11563679 is an apocalyptic number.

11563679 is a deficient number, since it is larger than the sum of its proper divisors (10297).

11563679 is an equidigital number, since it uses as much as digits as its factorization.

11563679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10296.

The product of its digits is 34020, while the sum is 38.

The square root of 11563679 is about 3400.5409863726. The cubic root of 11563679 is about 226.1337279924.

The spelling of 11563679 in words is "eleven million, five hundred sixty-three thousand, six hundred seventy-nine".