13705525 has 6 divisors (see below), whose sum is σ = 16994882. Its totient is φ = 10964400.

The previous prime is 13705513. The next prime is 13705561. The reversal of 13705525 is 52550731.

13705525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 111556 + 13593969 = 334^2 + 3687^2 .

It is not a de Polignac number, because 13705525 - 2¹¹ = 13703477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13705493 and 13705502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274086 + ... + 274135.

Almost surely, 2^13705525 is an apocalyptic number.

It is an amenable number.

13705525 is a deficient number, since it is larger than the sum of its proper divisors (3289357).

13705525 is an equidigital number, since it uses as much as digits as its factorization.

13705525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548231 (or 548226 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 13705525 is about 3702.0973785140. The cubic root of 13705525 is about 239.3124127674.

The spelling of 13705525 in words is "thirteen million, seven hundred five thousand, five hundred twenty-five".