12558282 has 32 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 3780720.

The previous prime is 12558251. The next prime is 12558289. The reversal of 12558282 is 28285521.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12558289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11283 + ... + 12345.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^12558282 is an apocalyptic number.

12558282 is an abundant number, since it is smaller than the sum of its proper divisors (15020598).

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

12558282 is a wasteful number, since it uses less digits than its factorization.

12558282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its digits is 12800, while the sum is 33.

The square root of 12558282 is about 3543.7666401726. The cubic root of 12558282 is about 232.4395773151.

The spelling of 12558282 in words is "twelve million, five hundred fifty-eight thousand, two hundred eighty-two".