13969171 has 4 divisors (see below), whose sum is σ = 14099832. Its totient is φ = 13838512.

The previous prime is 13969139. The next prime is 13969177. The reversal of 13969171 is 17196931.

13969171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17196931 = 773 ⋅22247.

It is a cyclic number.

It is not a de Polignac number, because 13969171 - 2⁵ = 13969139 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 13969171.

It is not an unprimeable number, because it can be changed into a prime (13969177) 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, 65170 + ... + 65383.

It is an arithmetic number, because the mean of its divisors is an integer number (3524958).

Almost surely, 2^13969171 is an apocalyptic number.

13969171 is a deficient number, since it is larger than the sum of its proper divisors (130661).

13969171 is a wasteful number, since it uses less digits than its factorization.

13969171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130660.

The product of its digits is 10206, while the sum is 37.

The square root of 13969171 is about 3737.5354178924. The cubic root of 13969171 is about 240.8371862215.

The spelling of 13969171 in words is "thirteen million, nine hundred sixty-nine thousand, one hundred seventy-one".