13917671 has 4 divisors (see below), whose sum is σ = 14650200. Its totient is φ = 13185144.

The previous prime is 13917637. The next prime is 13917703. The reversal of 13917671 is 17671931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17671931 = 1993 ⋅8867.

It is a cyclic number.

It is not a de Polignac number, because 13917671 - 2¹⁸ = 13655527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917971) 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, 366236 + ... + 366273.

It is an arithmetic number, because the mean of its divisors is an integer number (3662550).

Almost surely, 2^13917671 is an apocalyptic number.

13917671 is a deficient number, since it is larger than the sum of its proper divisors (732529).

13917671 is an equidigital number, since it uses as much as digits as its factorization.

13917671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732528.

The product of its digits is 7938, while the sum is 35.

The square root of 13917671 is about 3730.6394894173. The cubic root of 13917671 is about 240.5408577677.

The spelling of 13917671 in words is "thirteen million, nine hundred seventeen thousand, six hundred seventy-one".