12204870 has 32 divisors (see below), whose sum is σ = 29698272. Its totient is φ = 3209472.

The previous prime is 12204851. The next prime is 12204883. The reversal of 12204870 is 7840221.

It is a self number, because there is not a number n which added to its sum of digits gives 12204870.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (928071).

Almost surely, 2^12204870 is an apocalyptic number.

12204870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12204870 is an abundant number, since it is smaller than the sum of its proper divisors (17493402).

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

12204870 is a wasteful number, since it uses less digits than its factorization.

12204870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12204870 is about 3493.5469082295. The cubic root of 12204870 is about 230.2383791900.

The spelling of 12204870 in words is "twelve million, two hundred four thousand, eight hundred seventy".