13725329 has 2 divisors, whose sum is σ = 13725330. Its totient is φ = 13725328.

The previous prime is 13725317. The next prime is 13725359. The reversal of 13725329 is 92352731.

13725329 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., 11916304 + 1809025 = 3452^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 13725329 - 2¹² = 13721233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13725295 and 13725304.

It is not a weakly prime, because it can be changed into another prime (13725359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862664 + 6862665.

It is an arithmetic number, because the mean of its divisors is an integer number (6862665).

Almost surely, 2^13725329 is an apocalyptic number.

It is an amenable number.

13725329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13725329 is an equidigital number, since it uses as much as digits as its factorization.

13725329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 13725329 is about 3704.7711130379. The cubic root of 13725329 is about 239.4276232908.

The spelling of 13725329 in words is "thirteen million, seven hundred twenty-five thousand, three hundred twenty-nine".