13143671 has 4 divisors (see below), whose sum is σ = 13155144. Its totient is φ = 13132200.

The previous prime is 13143667. The next prime is 13143673. The reversal of 13143671 is 17634131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13143671 - 2² = 13143667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13143671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143673) 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 3 ways as a sum of consecutive naturals, for example, 3800 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (3288786).

Almost surely, 2^13143671 is an apocalyptic number.

13143671 is a deficient number, since it is larger than the sum of its proper divisors (11473).

13143671 is a wasteful number, since it uses less digits than its factorization.

13143671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472.

The product of its digits is 1512, while the sum is 26.

The square root of 13143671 is about 3625.4201135868. The cubic root of 13143671 is about 235.9964987990.

The spelling of 13143671 in words is "thirteen million, one hundred forty-three thousand, six hundred seventy-one".