12722107 has 2 divisors, whose sum is σ = 12722108. Its totient is φ = 12722106.

The previous prime is 12722093. The next prime is 12722119. The reversal of 12722107 is 70122721.

It is a strong prime.

It is an emirp because it is prime and its reverse (70122721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12722107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12722167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361053 + 6361054.

It is an arithmetic number, because the mean of its divisors is an integer number (6361054).

Almost surely, 2^12722107 is an apocalyptic number.

12722107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12722107 is an equidigital number, since it uses as much as digits as its factorization.

12722107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12722107 is about 3566.8062745263. The cubic root of 12722107 is about 233.4459522115.

Adding to 12722107 its reverse (70122721), we get a palindrome (82844828).

The spelling of 12722107 in words is "twelve million, seven hundred twenty-two thousand, one hundred seven".