12641273 has 4 divisors (see below), whose sum is σ = 13049088. Its totient is φ = 12233460.

The previous prime is 12641263. The next prime is 12641297. The reversal of 12641273 is 37214621.

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 12641273 - 2⁴ = 12641257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203861 + ... + 203922.

It is an arithmetic number, because the mean of its divisors is an integer number (3262272).

Almost surely, 2^12641273 is an apocalyptic number.

It is an amenable number.

12641273 is a deficient number, since it is larger than the sum of its proper divisors (407815).

12641273 is an equidigital number, since it uses as much as digits as its factorization.

12641273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407814.

The product of its digits is 2016, while the sum is 26.

The square root of 12641273 is about 3555.4567920311. The cubic root of 12641273 is about 232.9504766821.

Adding to 12641273 its reverse (37214621), we get a palindrome (49855894).

The spelling of 12641273 in words is "twelve million, six hundred forty-one thousand, two hundred seventy-three".