13529725 has 12 divisors (see below), whose sum is σ = 18302400. Its totient is φ = 9839600.

The previous prime is 13529723. The next prime is 13529743. The reversal of 13529725 is 52792531.

It is not a de Polignac number, because 13529725 - 2¹ = 13529723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13529723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24325 + ... + 24874.

It is an arithmetic number, because the mean of its divisors is an integer number (1525200).

Almost surely, 2^13529725 is an apocalyptic number.

It is an amenable number.

13529725 is a deficient number, since it is larger than the sum of its proper divisors (4772675).

13529725 is a wasteful number, since it uses less digits than its factorization.

13529725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49220 (or 49215 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 13529725 is about 3678.2774501117. The cubic root of 13529725 is about 238.2847907832.

The spelling of 13529725 in words is "thirteen million, five hundred twenty-nine thousand, seven hundred twenty-five".