12722075 has 12 divisors (see below), whose sum is σ = 15993768. Its totient is φ = 10036800.

The previous prime is 12722071. The next prime is 12722089. The reversal of 12722075 is 57022721.

It is not a de Polignac number, because 12722075 - 2² = 12722071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12722071) 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 11 ways as a sum of consecutive naturals, for example, 1661 + ... + 5310.

It is an arithmetic number, because the mean of its divisors is an integer number (1332814).

Almost surely, 2^12722075 is an apocalyptic number.

12722075 is a deficient number, since it is larger than the sum of its proper divisors (3271693).

12722075 is an equidigital number, since it uses as much as digits as its factorization.

12722075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12722075 is about 3566.8017887177. The cubic root of 12722075 is about 233.4457564819.

Adding to 12722075 its reverse (57022721), we get a palindrome (69744796).

The spelling of 12722075 in words is "twelve million, seven hundred twenty-two thousand, seventy-five".