126506713 has 2 divisors, whose sum is σ = 126506714. Its totient is φ = 126506712.

The previous prime is 126506687. The next prime is 126506719. The reversal of 126506713 is 317605621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 59397849 = 8192^2 + 7707^2 .

It is an emirp because it is prime and its reverse (317605621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126506713 - 2⁹ = 126506201 is a prime.

It is not a weakly prime, because it can be changed into another prime (126506719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63253356 + 63253357.

It is an arithmetic number, because the mean of its divisors is an integer number (63253357).

Almost surely, 2^126506713 is an apocalyptic number.

It is an amenable number.

126506713 is a deficient number, since it is larger than the sum of its proper divisors (1).

126506713 is an equidigital number, since it uses as much as digits as its factorization.

126506713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 126506713 is about 11247.5203044938. The cubic root of 126506713 is about 502.0009325231. Note that the first 3 decimals are identical.

The spelling of 126506713 in words is "one hundred twenty-six million, five hundred six thousand, seven hundred thirteen".