12870258 has 64 divisors (see below), whose sum is σ = 29808000. Its totient is φ = 3677184.

The previous prime is 12870233. The next prime is 12870259. The reversal of 12870258 is 85207821.

It is not an unprimeable number, because it can be changed into a prime (12870259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56088 + ... + 56316.

It is an arithmetic number, because the mean of its divisors is an integer number (465750).

Almost surely, 2^12870258 is an apocalyptic number.

12870258 is an abundant number, since it is smaller than the sum of its proper divisors (16937742).

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

12870258 is a wasteful number, since it uses less digits than its factorization.

12870258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 12870258 is about 3587.5141811566. The cubic root of 12870258 is about 234.3486292819.

The spelling of 12870258 in words is "twelve million, eight hundred seventy thousand, two hundred fifty-eight".