12208870 has 16 divisors (see below), whose sum is σ = 22349520. Its totient is φ = 4800544.

The previous prime is 12208843. The next prime is 12208871. The reversal of 12208870 is 7880221.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208871) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9757 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (1396845).

Almost surely, 2^12208870 is an apocalyptic number.

12208870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12208870 is a deficient number, since it is larger than the sum of its proper divisors (10140650).

12208870 is a wasteful number, since it uses less digits than its factorization.

12208870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20759.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12208870 is about 3494.1193454145. The cubic root of 12208870 is about 230.2635290666.

The spelling of 12208870 in words is "twelve million, two hundred eight thousand, eight hundred seventy".