11566479 has 4 divisors (see below), whose sum is σ = 15421976. Its totient is φ = 7710984.

The previous prime is 11566463. The next prime is 11566483. The reversal of 11566479 is 97466511.

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

It is not a de Polignac number, because 11566479 - 2⁴ = 11566463 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 (11566279) 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, 1927744 + ... + 1927749.

It is an arithmetic number, because the mean of its divisors is an integer number (3855494).

Almost surely, 2^11566479 is an apocalyptic number.

11566479 is a deficient number, since it is larger than the sum of its proper divisors (3855497).

11566479 is an equidigital number, since it uses as much as digits as its factorization.

11566479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855496.

The product of its digits is 45360, while the sum is 39.

The square root of 11566479 is about 3400.9526606526. The cubic root of 11566479 is about 226.1519783358.

The spelling of 11566479 in words is "eleven million, five hundred sixty-six thousand, four hundred seventy-nine".