11247 has 8 divisors (see below), whose sum is σ = 15744. Its totient is φ = 7128.

The previous prime is 11243. The next prime is 11251. The reversal of 11247 is 74211.

11247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11243) and next prime (11251).

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

It is not a de Polignac number, because 11247 - 2² = 11243 is a prime.

11247 is a lucky number.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 150.

It is an arithmetic number, because the mean of its divisors is an integer number (1968).

2¹¹²⁴⁷ is an apocalyptic number.

11247 is a deficient number, since it is larger than the sum of its proper divisors (4497).

11247 is a wasteful number, since it uses less digits than its factorization.

11247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189.

The product of its digits is 56, while the sum is 15.

The square root of 11247 is about 106.0518740994. The cubic root of 11247 is about 22.4050318203.

Adding to 11247 its reverse (74211), we get a palindrome (85458).

The spelling of 11247 in words is "eleven thousand, two hundred forty-seven", and thus it is an iban number.