13424 has 10 divisors (see below), whose sum is σ = 26040. Its totient is φ = 6704.

The previous prime is 13421. The next prime is 13441. The reversal of 13424 is 42431.

It is a junction number, because it is equal to n+sod(n) for n = 13399 and 13408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404 + ... + 435.

It is an arithmetic number, because the mean of its divisors is an integer number (2604).

2¹³⁴²⁴ is an apocalyptic number.

It is an amenable number.

13424 is a deficient number, since it is larger than the sum of its proper divisors (12616).

13424 is an equidigital number, since it uses as much as digits as its factorization.

13424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 841 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 13424 is about 115.8619868637. The cubic root of 13424 is about 23.7662492679.

Adding to 13424 its reverse (42431), we get a palindrome (55855).

The spelling of 13424 in words is "thirteen thousand, four hundred twenty-four".