11347 has 4 divisors (see below), whose sum is σ = 12976. Its totient is φ = 9720.

The previous prime is 11329. The next prime is 11351. The reversal of 11347 is 74311.

11347 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11347 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11347.

It is not an unprimeable number, because it can be changed into a prime (11317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (3244).

2¹¹³⁴⁷ is an apocalyptic number.

11347 is the 62-nd hex number.

11347 is a deficient number, since it is larger than the sum of its proper divisors (1629).

11347 is an equidigital number, since it uses as much as digits as its factorization.

11347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its digits is 84, while the sum is 16.

The square root of 11347 is about 106.5222981352. The cubic root of 11347 is about 22.4712389715.

Adding to 11347 its reverse (74311), we get a palindrome (85658).

The spelling of 11347 in words is "eleven thousand, three hundred forty-seven", and thus it is an iban number.