12648559 has 8 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 9855960.

The previous prime is 12648539. The next prime is 12648569. The reversal of 12648559 is 95584621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12648559 - 2⁷ = 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 (12648529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82057 + ... + 82210.

It is an arithmetic number, because the mean of its divisors is an integer number (1971216).

Almost surely, 2^12648559 is an apocalyptic number.

12648559 is a deficient number, since it is larger than the sum of its proper divisors (3121169).

12648559 is a wasteful number, since it uses less digits than its factorization.

12648559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164285.

The product of its digits is 86400, while the sum is 40.

The square root of 12648559 is about 3556.4812666454. The cubic root of 12648559 is about 232.9952229982.

The spelling of 12648559 in words is "twelve million, six hundred forty-eight thousand, five hundred fifty-nine".