11279711 has 8 divisors (see below), whose sum is σ = 11961600. Its totient is φ = 10606680.

The previous prime is 11279707. The next prime is 11279713. The reversal of 11279711 is 11797211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11279711 - 2² = 11279707 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 (11279713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (1495200).

Almost surely, 2^11279711 is an apocalyptic number.

11279711 is a deficient number, since it is larger than the sum of its proper divisors (681889).

11279711 is a wasteful number, since it uses less digits than its factorization.

11279711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its digits is 882, while the sum is 29.

The square root of 11279711 is about 3358.5281002249. The cubic root of 11279711 is about 224.2673187728.

The spelling of 11279711 in words is "eleven million, two hundred seventy-nine thousand, seven hundred eleven".