13712571 has 40 divisors (see below), whose sum is σ = 21807104. Its totient is φ = 8573040.

The previous prime is 13712561. The next prime is 13712593. The reversal of 13712571 is 17521731.

It is a happy number.

It is not a de Polignac number, because 13712571 - 2⁹ = 13712059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712551) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 107910 + ... + 108036.

Almost surely, 2^13712571 is an apocalyptic number.

13712571 is a deficient number, since it is larger than the sum of its proper divisors (8094533).

13712571 is a wasteful number, since it uses less digits than its factorization.

13712571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 204 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 13712571 is about 3703.0488789645. The cubic root of 13712571 is about 239.3534158516.

The spelling of 13712571 in words is "thirteen million, seven hundred twelve thousand, five hundred seventy-one".