Cookie Consent by
Search a number
13415 = 52683

13415 has 4 divisors (see below), whose sum is σ = 16104. Its totient is φ = 10728.

The previous prime is 13411. The next prime is 13417. The reversal of 13415 is 51431.

13415 is digitally balanced in base 3 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13415 - 22 = 13411 is a prime.

It is a Duffinian number.

13415 is strictly pandigital in base 6.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (4026).

213415 is an apocalyptic number.

13415 is a deficient number, since it is larger than the sum of its proper divisors (2689).

13415 is an equidigital number, since it uses as much as digits as its factorization.

13415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688.

The product of its digits is 60, while the sum is 14.

The square root of 13415 is about 115.8231410384. The cubic root of 13415 is about 23.7609367911.

Adding to 13415 its reverse (51431), we get a palindrome (64846).

The spelling of 13415 in words is "thirteen thousand, four hundred fifteen".

Divisors: 1 5 2683 13415