12941729 has 2 divisors, whose sum is σ = 12941730. Its totient is φ = 12941728.

The previous prime is 12941689. The next prime is 12941737. The reversal of 12941729 is 92714921.

12941729 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11404129 + 1537600 = 3377^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12941729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12941759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6470864 + 6470865.

It is an arithmetic number, because the mean of its divisors is an integer number (6470865).

Almost surely, 2^12941729 is an apocalyptic number.

It is an amenable number.

12941729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12941729 is an equidigital number, since it uses as much as digits as its factorization.

12941729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 12941729 is about 3597.4614660897. The cubic root of 12941729 is about 234.7816229969.

The spelling of 12941729 in words is "twelve million, nine hundred forty-one thousand, seven hundred twenty-nine".