12134531 has 2 divisors, whose sum is σ = 12134532. Its totient is φ = 12134530.

The previous prime is 12134513. The next prime is 12134543. The reversal of 12134531 is 13543121.

Together with previous prime (12134513) 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 not a de Polignac number, because 12134531 - 2⁶ = 12134467 is a prime.

It is a super-2 number, since 2×12134531² = 294493685179922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12134581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067265 + 6067266.

It is an arithmetic number, because the mean of its divisors is an integer number (6067266).

Almost surely, 2^12134531 is an apocalyptic number.

12134531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134531 is an equidigital number, since it uses as much as digits as its factorization.

12134531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 12134531 is about 3483.4653722981. The cubic root of 12134531 is about 229.7952241633.

Adding to 12134531 its reverse (13543121), we get a palindrome (25677652).

The spelling of 12134531 in words is "twelve million, one hundred thirty-four thousand, five hundred thirty-one".