12722106 has 8 divisors (see below), whose sum is σ = 25444224. Its totient is φ = 4240700.

The previous prime is 12722093. The next prime is 12722107. The reversal of 12722106 is 60122721.

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

12722106 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12722107) 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 3 ways as a sum of consecutive naturals, for example, 1060170 + ... + 1060181.

It is an arithmetic number, because the mean of its divisors is an integer number (3180528).

Almost surely, 2^12722106 is an apocalyptic number.

12722106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12722106 is a wasteful number, since it uses less digits than its factorization.

12722106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120356.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12722106 is about 3566.8061343448. The cubic root of 12722106 is about 233.4459460949.

Adding to 12722106 its reverse (60122721), we get a palindrome (72844827).

The spelling of 12722106 in words is "twelve million, seven hundred twenty-two thousand, one hundred six".