12648193 has 4 divisors (see below), whose sum is σ = 12837040. Its totient is φ = 12459348.

The previous prime is 12648173. The next prime is 12648239. The reversal of 12648193 is 39184621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39184621 = 7 ⋅5597803.

It is a cyclic number.

It is not a de Polignac number, because 12648193 - 2⁹ = 12647681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12648113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94323 + ... + 94456.

It is an arithmetic number, because the mean of its divisors is an integer number (3209260).

Almost surely, 2^12648193 is an apocalyptic number.

It is an amenable number.

12648193 is a deficient number, since it is larger than the sum of its proper divisors (188847).

12648193 is an equidigital number, since it uses as much as digits as its factorization.

12648193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188846.

The product of its digits is 10368, while the sum is 34.

The square root of 12648193 is about 3556.4298109199. The cubic root of 12648193 is about 232.9929756520.

The spelling of 12648193 in words is "twelve million, six hundred forty-eight thousand, one hundred ninety-three".