12648258 has 32 divisors (see below), whose sum is σ = 32123520. Its totient is φ = 3613680.

The previous prime is 12648257. The next prime is 12648269. The reversal of 12648258 is 85284621.

12648258 is a `hidden beast` number, since 1 + 2 + 648 + 2 + 5 + 8 = 666.

12648258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12648257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16353 + ... + 17108.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860).

Almost surely, 2^12648258 is an apocalyptic number.

12648258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12648258 is an abundant number, since it is smaller than the sum of its proper divisors (19475262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12648258 is a wasteful number, since it uses less digits than its factorization.

12648258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33479 (or 33473 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12648258 is about 3556.4389492862. The cubic root of 12648258 is about 232.9933747740.

It can be divided in two parts, 126 and 48258, that added together give a palindrome (48384).

The spelling of 12648258 in words is "twelve million, six hundred forty-eight thousand, two hundred fifty-eight".