11279071 has 4 divisors (see below), whose sum is σ = 11642944. Its totient is φ = 10915200.

The previous prime is 11279033. The next prime is 11279077. The reversal of 11279071 is 17097211.

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

It is a cyclic number.

It is not a de Polignac number, because 11279071 - 2¹¹ = 11277023 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 (11279077) 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, 181890 + ... + 181951.

It is an arithmetic number, because the mean of its divisors is an integer number (2910736).

Almost surely, 2^11279071 is an apocalyptic number.

11279071 is a deficient number, since it is larger than the sum of its proper divisors (363873).

11279071 is an equidigital number, since it uses as much as digits as its factorization.

11279071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363872.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11279071 is about 3358.4328190393. The cubic root of 11279071 is about 224.2630771216.

The spelling of 11279071 in words is "eleven million, two hundred seventy-nine thousand, seventy-one".