12184157 has 2 divisors, whose sum is σ = 12184158. Its totient is φ = 12184156.

The previous prime is 12184127. The next prime is 12184163. The reversal of 12184157 is 75148121.

12184157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8099716 + 4084441 = 2846^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 12184157 - 2¹² = 12180061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12184127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092078 + 6092079.

It is an arithmetic number, because the mean of its divisors is an integer number (6092079).

Almost surely, 2^12184157 is an apocalyptic number.

It is an amenable number.

12184157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12184157 is an equidigital number, since it uses as much as digits as its factorization.

12184157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The square root of 12184157 is about 3490.5811836999. The cubic root of 12184157 is about 230.1080588645.

The spelling of 12184157 in words is "twelve million, one hundred eighty-four thousand, one hundred fifty-seven".