12422705 has 8 divisors (see below), whose sum is σ = 14929512. Its totient is φ = 9923328.

The previous prime is 12422687. The next prime is 12422747. The reversal of 12422705 is 50722421.

It is a happy number.

12422705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2411809 + 10010896 = 1553^2 + 3164^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12422705 - 2¹⁰ = 12421681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 2969 + ... + 5801.

It is an arithmetic number, because the mean of its divisors is an integer number (1866189).

Almost surely, 2^12422705 is an apocalyptic number.

It is an amenable number.

12422705 is a deficient number, since it is larger than the sum of its proper divisors (2506807).

12422705 is an equidigital number, since it uses as much as digits as its factorization.

12422705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12422705 is about 3524.5857912668. The cubic root of 12422705 is about 231.6000901341.

The spelling of 12422705 in words is "twelve million, four hundred twenty-two thousand, seven hundred five".