13871738 has 8 divisors (see below), whose sum is σ = 20827488. Its totient is φ = 6929244.

The previous prime is 13871717. The next prime is 13871749. The reversal of 13871738 is 83717831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (2603436).

Almost surely, 2^13871738 is an apocalyptic number.

13871738 is a deficient number, since it is larger than the sum of its proper divisors (6955750).

13871738 is a wasteful number, since it uses less digits than its factorization.

13871738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628.

The product of its digits is 28224, while the sum is 38.

The square root of 13871738 is about 3724.4782184891. The cubic root of 13871738 is about 240.2759441808.

It can be divided in two parts, 1387 and 1738, that added together give a 5-th power (3125 = 5⁵).

The spelling of 13871738 in words is "thirteen million, eight hundred seventy-one thousand, seven hundred thirty-eight".