12113729 has 2 divisors, whose sum is σ = 12113730. Its totient is φ = 12113728.

The previous prime is 12113723. The next prime is 12113743. The reversal of 12113729 is 92731121.

12113729 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., 11971600 + 142129 = 3460^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113729 - 2⁸ = 12113473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12113698 and 12113707.

It is not a weakly prime, because it can be changed into another prime (12113723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056864 + 6056865.

It is an arithmetic number, because the mean of its divisors is an integer number (6056865).

Almost surely, 2^12113729 is an apocalyptic number.

It is an amenable number.

12113729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113729 is an equidigital number, since it uses as much as digits as its factorization.

12113729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 12113729 is about 3480.4782717322. The cubic root of 12113729 is about 229.6638378358.

The spelling of 12113729 in words is "twelve million, one hundred thirteen thousand, seven hundred twenty-nine".