12648173 has 2 divisors, whose sum is σ = 12648174. Its totient is φ = 12648172.

The previous prime is 12648169. The next prime is 12648239. The reversal of 12648173 is 37184621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 2427364 = 3197^2 + 1558^2 .

It is an emirp because it is prime and its reverse (37184621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12648173 - 2² = 12648169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324086 + 6324087.

It is an arithmetic number, because the mean of its divisors is an integer number (6324087).

Almost surely, 2^12648173 is an apocalyptic number.

It is an amenable number.

12648173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648173 is an equidigital number, since it uses as much as digits as its factorization.

12648173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 12648173 is about 3556.4269991102. The cubic root of 12648173 is about 232.9928528449.

It can be divided in two parts, 12648 and 173, that added together give a palindrome (12821).

The spelling of 12648173 in words is "twelve million, six hundred forty-eight thousand, one hundred seventy-three".