13704571 has 4 divisors (see below), whose sum is σ = 13729144. Its totient is φ = 13680000.

The previous prime is 13704569. The next prime is 13704577. The reversal of 13704571 is 17540731.

13704571 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17540731 = 13 ⋅1349287.

It is a cyclic number.

It is not a de Polignac number, because 13704571 - 2¹ = 13704569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13704577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11430 + ... + 12571.

It is an arithmetic number, because the mean of its divisors is an integer number (3432286).

Almost surely, 2^13704571 is an apocalyptic number.

13704571 is a deficient number, since it is larger than the sum of its proper divisors (24573).

13704571 is an equidigital number, since it uses as much as digits as its factorization.

13704571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24572.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 13704571 is about 3701.9685303903. The cubic root of 13704571 is about 239.3068600350.

The spelling of 13704571 in words is "thirteen million, seven hundred four thousand, five hundred seventy-one".