12169 has 4 divisors (see below), whose sum is σ = 12496. Its totient is φ = 11844.

The previous prime is 12163. The next prime is 12197. The reversal of 12169 is 96121.

12169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96121 = 19 ⋅5059.

It is a cyclic number.

It is not a de Polignac number, because 12169 - 2³ = 12161 is a prime.

It is a super-2 number, since 2×12169² = 296169122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12161) 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, 99 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (3124).

2¹²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

12169 is a deficient number, since it is larger than the sum of its proper divisors (327).

12169 is an equidigital number, since it uses as much as digits as its factorization.

12169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 108, while the sum is 19.

The square root of 12169 is about 110.3131905078. The cubic root of 12169 is about 23.0012601704.

It can be divided in two parts, 1216 and 9, that added together give a triangular number (1225 = T₄₉).

The spelling of 12169 in words is "twelve thousand, one hundred sixty-nine".