13731171 has 8 divisors (see below), whose sum is σ = 18898944. Its totient is φ = 8858760.

The previous prime is 13731169. The next prime is 13731173. The reversal of 13731171 is 17113731.

It is an interprime number because it is at equal distance from previous prime (13731169) and next prime (13731173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13731171 - 2¹ = 13731169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13731173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73731 + ... + 73916.

It is an arithmetic number, because the mean of its divisors is an integer number (2362368).

Almost surely, 2^13731171 is an apocalyptic number.

13731171 is a deficient number, since it is larger than the sum of its proper divisors (5167773).

13731171 is a wasteful number, since it uses less digits than its factorization.

13731171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147681.

The product of its digits is 441, while the sum is 24.

The square root of 13731171 is about 3705.5594719286. The cubic root of 13731171 is about 239.4615881784.

The spelling of 13731171 in words is "thirteen million, seven hundred thirty-one thousand, one hundred seventy-one".