13742271 has 8 divisors (see below), whose sum is σ = 20358960. Its totient is φ = 9161496.

The previous prime is 13742249. The next prime is 13742297. The reversal of 13742271 is 17224731.

It is a happy number.

It is not a de Polignac number, because 13742271 - 2⁹ = 13741759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 508973 = 13742271 / (1 + 3 + 7 + 4 + 2 + 2 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13742231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254460 + ... + 254513.

It is an arithmetic number, because the mean of its divisors is an integer number (2544870).

Almost surely, 2^13742271 is an apocalyptic number.

13742271 is a deficient number, since it is larger than the sum of its proper divisors (6616689).

13742271 is an equidigital number, since it uses as much as digits as its factorization.

13742271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508982 (or 508976 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 13742271 is about 3707.0569189048. The cubic root of 13742271 is about 239.5260960955.

The spelling of 13742271 in words is "thirteen million, seven hundred forty-two thousand, two hundred seventy-one".