13742171 has 4 divisors (see below), whose sum is σ = 14550552. Its totient is φ = 12933792.

The previous prime is 13742147. The next prime is 13742173. The reversal of 13742171 is 17124731.

It is a happy number.

13742171 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13742171 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 13742171.

It is not an unprimeable number, because it can be changed into a prime (13742173) 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, 404165 + ... + 404198.

It is an arithmetic number, because the mean of its divisors is an integer number (3637638).

Almost surely, 2^13742171 is an apocalyptic number.

13742171 is a deficient number, since it is larger than the sum of its proper divisors (808381).

13742171 is an equidigital number, since it uses as much as digits as its factorization.

13742171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808380.

The product of its digits is 1176, while the sum is 26.

The square root of 13742171 is about 3707.0434310917. The cubic root of 13742171 is about 239.5255150981.

The spelling of 13742171 in words is "thirteen million, seven hundred forty-two thousand, one hundred seventy-one".