11279843 has 2 divisors, whose sum is σ = 11279844. Its totient is φ = 11279842.

The previous prime is 11279837. The next prime is 11279903. The reversal of 11279843 is 34897211.

It is a weak prime.

It is an emirp because it is prime and its reverse (34897211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11279843 - 2¹⁴ = 11263459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11279243) 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 as a sum of consecutive naturals, namely, 5639921 + 5639922.

It is an arithmetic number, because the mean of its divisors is an integer number (5639922).

Almost surely, 2^11279843 is an apocalyptic number.

11279843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279843 is an equidigital number, since it uses as much as digits as its factorization.

11279843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 11279843 is about 3358.5477516331. The cubic root of 11279843 is about 224.2681935934.

The spelling of 11279843 in words is "eleven million, two hundred seventy-nine thousand, eight hundred forty-three".