13478 has 8 divisors (see below), whose sum is σ = 21168. Its totient is φ = 6424.

The previous prime is 13477. The next prime is 13487. The reversal of 13478 is 87431.

It is a happy number.

13478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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 (13477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 192.

It is an arithmetic number, because the mean of its divisors is an integer number (2646).

2¹³⁴⁷⁸ is an apocalyptic number.

13478 is a deficient number, since it is larger than the sum of its proper divisors (7690).

13478 is a wasteful number, since it uses less digits than its factorization.

13478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 672, while the sum is 23.

The square root of 13478 is about 116.0947888581. The cubic root of 13478 is about 23.7980743681.

It can be divided in two parts, 134 and 78, that added together give a palindrome (212).

The spelling of 13478 in words is "thirteen thousand, four hundred seventy-eight".