13931714 has 4 divisors (see below), whose sum is σ = 20897574. Its totient is φ = 6965856.

The previous prime is 13931711. The next prime is 13931717. The reversal of 13931714 is 41713931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41713931 = 7 ⋅5959133.

It is an interprime number because it is at equal distance from previous prime (13931711) and next prime (13931717).

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 2146225 = 3433^2 + 1465^2 .

It is not an unprimeable number, because it can be changed into a prime (13931711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482927 + ... + 3482930.

Almost surely, 2^13931714 is an apocalyptic number.

13931714 is a deficient number, since it is larger than the sum of its proper divisors (6965860).

13931714 is an equidigital number, since it uses as much as digits as its factorization.

13931714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965859.

The product of its digits is 2268, while the sum is 29.

The square root of 13931714 is about 3732.5211318893. The cubic root of 13931714 is about 240.6217328842.

The spelling of 13931714 in words is "thirteen million, nine hundred thirty-one thousand, seven hundred fourteen".