11547879 has 24 divisors (see below), whose sum is σ = 18968688. Its totient is φ = 6209280.

The previous prime is 11547871. The next prime is 11547881. The reversal of 11547879 is 97874511.

11547879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11547879 - 2³ = 11547871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11547879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11547871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (790362).

Almost surely, 2^11547879 is an apocalyptic number.

11547879 is a deficient number, since it is larger than the sum of its proper divisors (7420809).

11547879 is a wasteful number, since it uses less digits than its factorization.

11547879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4648 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 11547879 is about 3398.2170325040. The cubic root of 11547879 is about 226.0306886563.

The spelling of 11547879 in words is "eleven million, five hundred forty-seven thousand, eight hundred seventy-nine".