12362531 has 2 divisors, whose sum is σ = 12362532. Its totient is φ = 12362530.

The previous prime is 12362513. The next prime is 12362533. The reversal of 12362531 is 13526321.

12362531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12362513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12362531 is a prime.

It is a super-2 number, since 2×12362531² = 305664345451922, which contains 22 as substring.

Together with 12362533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12362497 and 12362506.

It is not a weakly prime, because it can be changed into another prime (12362533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6181265 + 6181266.

It is an arithmetic number, because the mean of its divisors is an integer number (6181266).

Almost surely, 2^12362531 is an apocalyptic number.

12362531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12362531 is an equidigital number, since it uses as much as digits as its factorization.

12362531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 12362531 is about 3516.0391067222. The cubic root of 12362531 is about 231.2255376120.

Adding to 12362531 its reverse (13526321), we get a palindrome (25888852).

The spelling of 12362531 in words is "twelve million, three hundred sixty-two thousand, five hundred thirty-one".