13942171 has 4 divisors (see below), whose sum is σ = 13950144. Its totient is φ = 13934200.

The previous prime is 13942153. The next prime is 13942177. The reversal of 13942171 is 17124931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17124931 = 1553 ⋅11027.

It is a cyclic number.

It is not a de Polignac number, because 13942171 - 2⁷ = 13942043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13942177) 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, 100 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (3487536).

Almost surely, 2^13942171 is an apocalyptic number.

13942171 is a deficient number, since it is larger than the sum of its proper divisors (7973).

13942171 is an equidigital number, since it uses as much as digits as its factorization.

13942171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972.

The product of its digits is 1512, while the sum is 28.

The square root of 13942171 is about 3733.9216649523. The cubic root of 13942171 is about 240.6819205534.

The spelling of 13942171 in words is "thirteen million, nine hundred forty-two thousand, one hundred seventy-one".