12327157 has 2 divisors, whose sum is σ = 12327158. Its totient is φ = 12327156.

The previous prime is 12327131. The next prime is 12327167. The reversal of 12327157 is 75172321.

12327157 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., 12327121 + 36 = 3511^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 12327157 - 2²³ = 3938549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12327127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163578 + 6163579.

It is an arithmetic number, because the mean of its divisors is an integer number (6163579).

Almost surely, 2^12327157 is an apocalyptic number.

It is an amenable number.

12327157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12327157 is an equidigital number, since it uses as much as digits as its factorization.

12327157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 12327157 is about 3511.0051267408. The cubic root of 12327157 is about 231.0047849187.

Adding to 12327157 its reverse (75172321), we get a palindrome (87499478).

The spelling of 12327157 in words is "twelve million, three hundred twenty-seven thousand, one hundred fifty-seven".