12506106 has 16 divisors (see below), whose sum is σ = 25048224. Its totient is φ = 4162704.

The previous prime is 12506083. The next prime is 12506147. The reversal of 12506106 is 60160521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (1565514).

Almost surely, 2^12506106 is an apocalyptic number.

12506106 is an abundant number, since it is smaller than the sum of its proper divisors (12542118).

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

12506106 is a wasteful number, since it uses less digits than its factorization.

12506106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12506106 is about 3536.3973193068. The cubic root of 12506106 is about 232.1172242512.

Adding to 12506106 its reverse (60160521), we get a palindrome (72666627).

The spelling of 12506106 in words is "twelve million, five hundred six thousand, one hundred six".