12731041 has 4 divisors (see below), whose sum is σ = 12779712. Its totient is φ = 12682372.

The previous prime is 12731039. The next prime is 12731051. The reversal of 12731041 is 14013721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12731041 - 2¹ = 12731039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12731051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23941 + ... + 24466.

It is an arithmetic number, because the mean of its divisors is an integer number (3194928).

Almost surely, 2^12731041 is an apocalyptic number.

It is an amenable number.

12731041 is a deficient number, since it is larger than the sum of its proper divisors (48671).

12731041 is an equidigital number, since it uses as much as digits as its factorization.

12731041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48670.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12731041 is about 3568.0584356201. The cubic root of 12731041 is about 233.5005846222.

Adding to 12731041 its reverse (14013721), we get a palindrome (26744762).

The spelling of 12731041 in words is "twelve million, seven hundred thirty-one thousand, forty-one".