12648899 has 8 divisors (see below), whose sum is σ = 13272960. Its totient is φ = 12038400.

The previous prime is 12648893. The next prime is 12648917. The reversal of 12648899 is 99884621.

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 12648899 - 2¹² = 12644803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12648893) 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, 1454 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (1659120).

Almost surely, 2^12648899 is an apocalyptic number.

12648899 is a deficient number, since it is larger than the sum of its proper divisors (624061).

12648899 is an equidigital number, since it uses as much as digits as its factorization.

12648899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781.

The product of its digits is 248832, while the sum is 47.

The square root of 12648899 is about 3556.5290663792. The cubic root of 12648899 is about 232.9973106580.

The spelling of 12648899 in words is "twelve million, six hundred forty-eight thousand, eight hundred ninety-nine".