12870418 has 8 divisors (see below), whose sum is σ = 21060720. Its totient is φ = 5850180.

The previous prime is 12870401. The next prime is 12870421. The reversal of 12870418 is 81407821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12870418.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292488 + ... + 292531.

It is an arithmetic number, because the mean of its divisors is an integer number (2632590).

Almost surely, 2^12870418 is an apocalyptic number.

12870418 is a deficient number, since it is larger than the sum of its proper divisors (8190302).

12870418 is a wasteful number, since it uses less digits than its factorization.

12870418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585032.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12870418 is about 3587.5364806508. The cubic root of 12870418 is about 234.3496004001.

The spelling of 12870418 in words is "twelve million, eight hundred seventy thousand, four hundred eighteen".