12286870 has 32 divisors (see below), whose sum is σ = 22763520. Its totient is φ = 4773600.

The previous prime is 12286861. The next prime is 12286891. The reversal of 12286870 is 7868221.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81295 + ... + 81445.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^12286870 is an apocalyptic number.

12286870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12286870 is a deficient number, since it is larger than the sum of its proper divisors (10476650).

12286870 is a wasteful number, since it uses less digits than its factorization.

12286870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12286870 is about 3505.2631855540. The cubic root of 12286870 is about 230.7528574993.

The spelling of 12286870 in words is "twelve million, two hundred eighty-six thousand, eight hundred seventy".