13798 has 4 divisors (see below), whose sum is σ = 20700. Its totient is φ = 6898.

The previous prime is 13789. The next prime is 13799. The reversal of 13798 is 89731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89731 = 61 ⋅1471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (5175).

2¹³⁷⁹⁸ is an apocalyptic number.

13798 is a deficient number, since it is larger than the sum of its proper divisors (6902).

13798 is an equidigital number, since it uses as much as digits as its factorization.

13798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901.

The product of its digits is 1512, while the sum is 28.

The square root of 13798 is about 117.4648883710. The cubic root of 13798 is about 23.9849442609.

The spelling of 13798 in words is "thirteen thousand, seven hundred ninety-eight".