11872479 has 4 divisors (see below), whose sum is σ = 15829976. Its totient is φ = 7914984.

The previous prime is 11872459. The next prime is 11872517. The reversal of 11872479 is 97427811.

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

It is not a de Polignac number, because 11872479 - 2⁵ = 11872447 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 (11872459) 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, 1978744 + ... + 1978749.

It is an arithmetic number, because the mean of its divisors is an integer number (3957494).

Almost surely, 2^11872479 is an apocalyptic number.

11872479 is a deficient number, since it is larger than the sum of its proper divisors (3957497).

11872479 is an equidigital number, since it uses as much as digits as its factorization.

11872479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957496.

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

The square root of 11872479 is about 3445.6463834816. The cubic root of 11872479 is about 228.1289859565.

The spelling of 11872479 in words is "eleven million, eight hundred seventy-two thousand, four hundred seventy-nine".