12708961 has 2 divisors, whose sum is σ = 12708962. Its totient is φ = 12708960.

The previous prime is 12708937. The next prime is 12708973. The reversal of 12708961 is 16980721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 6155361 = 2560^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 12708961 - 2¹⁵ = 12676193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12708161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354480 + 6354481.

It is an arithmetic number, because the mean of its divisors is an integer number (6354481).

Almost surely, 2^12708961 is an apocalyptic number.

It is an amenable number.

12708961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708961 is an equidigital number, since it uses as much as digits as its factorization.

12708961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12708961 is about 3564.9629731597. The cubic root of 12708961 is about 233.3655164225.

The spelling of 12708961 in words is "twelve million, seven hundred eight thousand, nine hundred sixty-one".