12144631 has 2 divisors, whose sum is σ = 12144632. Its totient is φ = 12144630.

The previous prime is 12144623. The next prime is 12144637. The reversal of 12144631 is 13644121.

12144631 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 is a cyclic number.

It is not a de Polignac number, because 12144631 - 2³ = 12144623 is a prime.

It is a super-2 number, since 2×12144631² = 294984124252322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072315 + 6072316.

It is an arithmetic number, because the mean of its divisors is an integer number (6072316).

Almost surely, 2^12144631 is an apocalyptic number.

12144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144631 is an equidigital number, since it uses as much as digits as its factorization.

12144631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 12144631 is about 3484.9147765763. The cubic root of 12144631 is about 229.8589620512.

Adding to 12144631 its reverse (13644121), we get a palindrome (25788752).

The spelling of 12144631 in words is "twelve million, one hundred forty-four thousand, six hundred thirty-one".