11871079 has 4 divisors (see below), whose sum is σ = 12950280. Its totient is φ = 10791880.

The previous prime is 11871077. The next prime is 11871091. The reversal of 11871079 is 97017811.

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

It is not a de Polignac number, because 11871079 - 2¹ = 11871077 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 (11871077) 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, 539584 + ... + 539605.

It is an arithmetic number, because the mean of its divisors is an integer number (3237570).

Almost surely, 2^11871079 is an apocalyptic number.

11871079 is a deficient number, since it is larger than the sum of its proper divisors (1079201).

11871079 is a wasteful number, since it uses less digits than its factorization.

11871079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079200.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 11871079 is about 3445.4432225767. The cubic root of 11871079 is about 228.1200186315.

The spelling of 11871079 in words is "eleven million, eight hundred seventy-one thousand, seventy-nine".