13738 has 4 divisors (see below), whose sum is σ = 20610. Its totient is φ = 6868.

The previous prime is 13729. The next prime is 13751. The reversal of 13738 is 83731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13689 + 49 = 117^2 + 7^2 .

It is an Ulam number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433 + ... + 3436.

2¹³⁷³⁸ is an apocalyptic number.

13738 is a deficient number, since it is larger than the sum of its proper divisors (6872).

13738 is an equidigital number, since it uses as much as digits as its factorization.

13738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871.

The product of its digits is 504, while the sum is 22.

The square root of 13738 is about 117.2092146548. The cubic root of 13738 is about 23.9501279189.

The spelling of 13738 in words is "thirteen thousand, seven hundred thirty-eight".