12606961 has 2 divisors, whose sum is σ = 12606962. Its totient is φ = 12606960.

The previous prime is 12606949. The next prime is 12606989. The reversal of 12606961 is 16960621.

12606961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 6155361 = 2540^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 12606961 - 2⁵ = 12606929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12606901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303480 + 6303481.

It is an arithmetic number, because the mean of its divisors is an integer number (6303481).

Almost surely, 2^12606961 is an apocalyptic number.

It is an amenable number.

12606961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606961 is an equidigital number, since it uses as much as digits as its factorization.

12606961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12606961 is about 3550.6282542671. The cubic root of 12606961 is about 232.7395211495.

The spelling of 12606961 in words is "twelve million, six hundred six thousand, nine hundred sixty-one".