12372169 has 2 divisors, whose sum is σ = 12372170. Its totient is φ = 12372168.

The previous prime is 12372167. The next prime is 12372221. The reversal of 12372169 is 96127321.

12372169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 38025 = 3512^2 + 195^2 .

It is an emirp because it is prime and its reverse (96127321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12372169 - 2¹ = 12372167 is a prime.

It is a super-2 number, since 2×12372169² = 306141131529122, which contains 22 as substring.

Together with 12372167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12372169.

It is not a weakly prime, because it can be changed into another prime (12372163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186084 + 6186085.

It is an arithmetic number, because the mean of its divisors is an integer number (6186085).

Almost surely, 2^12372169 is an apocalyptic number.

It is an amenable number.

12372169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372169 is an equidigital number, since it uses as much as digits as its factorization.

12372169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 12372169 is about 3517.4094160333. The cubic root of 12372169 is about 231.2856108782.

The spelling of 12372169 in words is "twelve million, three hundred seventy-two thousand, one hundred sixty-nine".