12873258 has 48 divisors (see below), whose sum is σ = 28848456. Its totient is φ = 4147200.

The previous prime is 12873229. The next prime is 12873271. The reversal of 12873258 is 85237821.

It can be written as a sum of positive squares in 4 ways, for example, as 12766329 + 106929 = 3573^2 + 327^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127408 + ... + 127508.

Almost surely, 2^12873258 is an apocalyptic number.

12873258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12873258 is an abundant number, since it is smaller than the sum of its proper divisors (15975198).

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

12873258 is a wasteful number, since it uses less digits than its factorization.

12873258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 276 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12873258 is about 3587.9322736083. The cubic root of 12873258 is about 234.3668364090.

It can be divided in two parts, 12873 and 258, that added together give a palindrome (13131).

The spelling of 12873258 in words is "twelve million, eight hundred seventy-three thousand, two hundred fifty-eight".