12648889 has 8 divisors (see below), whose sum is σ = 14525280. Its totient is φ = 10893600.

The previous prime is 12648887. The next prime is 12648893. The reversal of 12648889 is 98884621.

12648889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12648889 - 2¹ = 12648887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12648887) 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, 30052 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (1815660).

Almost surely, 2^12648889 is an apocalyptic number.

12648889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12648889 is a deficient number, since it is larger than the sum of its proper divisors (1876391).

12648889 is a wasteful number, since it uses less digits than its factorization.

12648889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60551.

The product of its digits is 221184, while the sum is 46.

The square root of 12648889 is about 3556.5276605138. The cubic root of 12648889 is about 232.9972492568.

It can be divided in two parts, 1264 and 8889, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 12648889 in words is "twelve million, six hundred forty-eight thousand, eight hundred eighty-nine".