11827479 has 4 divisors (see below), whose sum is σ = 15769976. Its totient is φ = 7884984.

The previous prime is 11827433. The next prime is 11827489. The reversal of 11827479 is 97472811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97472811 = 3 ⋅32490937.

It is not a de Polignac number, because 11827479 - 2¹⁵ = 11794711 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 (11827489) 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, 1971244 + ... + 1971249.

It is an arithmetic number, because the mean of its divisors is an integer number (3942494).

Almost surely, 2^11827479 is an apocalyptic number.

11827479 is a deficient number, since it is larger than the sum of its proper divisors (3942497).

11827479 is an equidigital number, since it uses as much as digits as its factorization.

11827479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942496.

The product of its digits is 28224, while the sum is 39.

The square root of 11827479 is about 3439.1102046896. The cubic root of 11827479 is about 227.8403969198.

The spelling of 11827479 in words is "eleven million, eight hundred twenty-seven thousand, four hundred seventy-nine".