12731023 has 2 divisors, whose sum is σ = 12731024. Its totient is φ = 12731022.

The previous prime is 12731003. The next prime is 12731027. The reversal of 12731023 is 32013721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12731023 - 2⁹ = 12730511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12731027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365511 + 6365512.

It is an arithmetic number, because the mean of its divisors is an integer number (6365512).

Almost surely, 2^12731023 is an apocalyptic number.

12731023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731023 is an equidigital number, since it uses as much as digits as its factorization.

12731023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12731023 is about 3568.0559132390. The cubic root of 12731023 is about 233.5004745759.

Adding to 12731023 its reverse (32013721), we get a palindrome (44744744).

The spelling of 12731023 in words is "twelve million, seven hundred thirty-one thousand, twenty-three".