11405879 has 16 divisors (see below), whose sum is σ = 12279168. Its totient is φ = 10577952.

The previous prime is 11405873. The next prime is 11405899. The reversal of 11405879 is 97850411.

11405879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11405879 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 (11405873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106544 + ... + 106650.

It is an arithmetic number, because the mean of its divisors is an integer number (767448).

Almost surely, 2^11405879 is an apocalyptic number.

11405879 is a deficient number, since it is larger than the sum of its proper divisors (873289).

11405879 is a wasteful number, since it uses less digits than its factorization.

11405879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 11405879 is about 3377.2590957757. The cubic root of 11405879 is about 225.1003930589.

The spelling of 11405879 in words is "eleven million, four hundred five thousand, eight hundred seventy-nine".