12648197 has 4 divisors (see below), whose sum is σ = 12662880. Its totient is φ = 12633516.

The previous prime is 12648173. The next prime is 12648239. The reversal of 12648197 is 79184621.

12648197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 79184621 = 509 ⋅155569.

It is a cyclic number.

It is not a de Polignac number, because 12648197 - 2¹⁸ = 12386053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12648197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648107) 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, 5963 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (3165720).

Almost surely, 2^12648197 is an apocalyptic number.

It is an amenable number.

12648197 is a deficient number, since it is larger than the sum of its proper divisors (14683).

12648197 is an equidigital number, since it uses as much as digits as its factorization.

12648197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14682.

The product of its digits is 24192, while the sum is 38.

The square root of 12648197 is about 3556.4303732816. The cubic root of 12648197 is about 232.9930002134.

The spelling of 12648197 in words is "twelve million, six hundred forty-eight thousand, one hundred ninety-seven".