12789061 has 2 divisors, whose sum is σ = 12789062. Its totient is φ = 12789060.

The previous prime is 12789047. The next prime is 12789097. The reversal of 12789061 is 16098721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 497025 = 3506^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 12789061 - 2⁷ = 12788933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12789031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394530 + 6394531.

It is an arithmetic number, because the mean of its divisors is an integer number (6394531).

Almost surely, 2^12789061 is an apocalyptic number.

It is an amenable number.

12789061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12789061 is an equidigital number, since it uses as much as digits as its factorization.

12789061 is an evil number, because the sum of its binary digits is even.

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

The square root of 12789061 is about 3576.1796655090. The cubic root of 12789061 is about 233.8547629192.

The spelling of 12789061 in words is "twelve million, seven hundred eighty-nine thousand, sixty-one".