13725129 has 16 divisors (see below), whose sum is σ = 20208384. Its totient is φ = 8216400.

The previous prime is 13725109. The next prime is 13725133. The reversal of 13725129 is 92152731.

13725129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13725129 - 2⁹ = 13724617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13725096 and 13725105.

It is not an unprimeable number, because it can be changed into a prime (13725109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (1263024).

Almost surely, 2^13725129 is an apocalyptic number.

It is an amenable number.

13725129 is a deficient number, since it is larger than the sum of its proper divisors (6483255).

13725129 is a wasteful number, since it uses less digits than its factorization.

13725129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its digits is 3780, while the sum is 30.

The square root of 13725129 is about 3704.7441207187. The cubic root of 13725129 is about 239.4264603373.

The spelling of 13725129 in words is "thirteen million, seven hundred twenty-five thousand, one hundred twenty-nine".