12422747 has 2 divisors, whose sum is σ = 12422748. Its totient is φ = 12422746.

The previous prime is 12422687. The next prime is 12422777. The reversal of 12422747 is 74722421.

12422747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12422747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12422777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211373 + 6211374.

It is an arithmetic number, because the mean of its divisors is an integer number (6211374).

Almost surely, 2^12422747 is an apocalyptic number.

12422747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422747 is an equidigital number, since it uses as much as digits as its factorization.

12422747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 29.

The square root of 12422747 is about 3524.5917494087. The cubic root of 12422747 is about 231.6003511399.

The spelling of 12422747 in words is "twelve million, four hundred twenty-two thousand, seven hundred forty-seven".