13838671 has 16 divisors (see below), whose sum is σ = 17584128. Its totient is φ = 10576800.

The previous prime is 13838651. The next prime is 13838687. The reversal of 13838671 is 17683831.

It is a cyclic number.

It is not a de Polignac number, because 13838671 - 2⁷ = 13838543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13838671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (1099008).

Almost surely, 2^13838671 is an apocalyptic number.

13838671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13838671 is a deficient number, since it is larger than the sum of its proper divisors (3745457).

13838671 is a wasteful number, since it uses less digits than its factorization.

13838671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462.

The product of its digits is 24192, while the sum is 37.

The square root of 13838671 is about 3720.0364245529. The cubic root of 13838671 is about 240.0848716035.

It can be divided in two parts, 138 and 38671, that added together give a square (38809 = 197²).

The spelling of 13838671 in words is "thirteen million, eight hundred thirty-eight thousand, six hundred seventy-one".