12648463 has 4 divisors (see below), whose sum is σ = 12664080. Its totient is φ = 12632848.

The previous prime is 12648451. The next prime is 12648473. The reversal of 12648463 is 36484621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36484621 = 347 ⋅105143.

It is a cyclic number.

It is not a de Polignac number, because 12648463 - 2⁵ = 12648431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6523 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (3166020).

Almost surely, 2^12648463 is an apocalyptic number.

12648463 is a deficient number, since it is larger than the sum of its proper divisors (15617).

12648463 is an equidigital number, since it uses as much as digits as its factorization.

12648463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616.

The product of its digits is 27648, while the sum is 34.

The square root of 12648463 is about 3556.4677701337. The cubic root of 12648463 is about 232.9946335345.

The spelling of 12648463 in words is "twelve million, six hundred forty-eight thousand, four hundred sixty-three".