13446 has 20 divisors (see below), whose sum is σ = 30492. Its totient is φ = 4428.

The previous prime is 13441. The next prime is 13451. The reversal of 13446 is 64431.

It is an interprime number because it is at equal distance from previous prime (13441) and next prime (13451).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 121 + ... + 203.

2¹³⁴⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15246).

13446 is an abundant number, since it is smaller than the sum of its proper divisors (17046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13446 is an equidigital number, since it uses as much as digits as its factorization.

13446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 88 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 13446 is about 115.9568885405. The cubic root of 13446 is about 23.7792253335.

13446 divided by its sum of digits (18) gives a palindrome (747).

Adding to 13446 its reverse (64431), we get a palindrome (77877).

The spelling of 13446 in words is "thirteen thousand, four hundred forty-six".