11727879 has 4 divisors (see below), whose sum is σ = 15637176. Its totient is φ = 7818584.

The previous prime is 11727857. The next prime is 11727887. The reversal of 11727879 is 97872711.

11727879 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 an emirpimes, since its reverse is a distinct semiprime: 97872711 = 3 ⋅32624237.

It is a cyclic number.

It is not a de Polignac number, because 11727879 - 2⁸ = 11727623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11727879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11727809) 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, 1954644 + ... + 1954649.

It is an arithmetic number, because the mean of its divisors is an integer number (3909294).

Almost surely, 2^11727879 is an apocalyptic number.

11727879 is a deficient number, since it is larger than the sum of its proper divisors (3909297).

11727879 is an equidigital number, since it uses as much as digits as its factorization.

11727879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909296.

The product of its digits is 49392, while the sum is 42.

The square root of 11727879 is about 3424.5991006248. The cubic root of 11727879 is about 227.1990401066.

The spelling of 11727879 in words is "eleven million, seven hundred twenty-seven thousand, eight hundred seventy-nine".