12247 has 4 divisors (see below), whose sum is σ = 12616. Its totient is φ = 11880.

The previous prime is 12241. The next prime is 12251. The reversal of 12247 is 74221.

12247 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 12247 - 2³ = 12239 is a prime.

It is a pancake number, because a pancake can be divided into 12247 parts by 156 straight cuts.

It is a Duffinian number.

It is a plaindrome in base 10 and base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 12247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241) 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 3 ways as a sum of consecutive naturals, for example, 129 + ... + 202.

It is an arithmetic number, because the mean of its divisors is an integer number (3154).

2¹²²⁴⁷ is an apocalyptic number.

12247 is a deficient number, since it is larger than the sum of its proper divisors (369).

12247 is an equidigital number, since it uses as much as digits as its factorization.

12247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 112, while the sum is 16.

The square root of 12247 is about 110.6661646575. Note that the first 3 decimals coincide. The cubic root of 12247 is about 23.0502994959.

Adding to 12247 its reverse (74221), we get a palindrome (86468).

It can be divided in two parts, 122 and 47, that added together give a square (169 = 13²).

The spelling of 12247 in words is "twelve thousand, two hundred forty-seven", and thus it is an iban number.