Search a number
-
+
13258 = 27947
BaseRepresentation
bin11001111001010
3200012001
43033022
5411013
6141214
753440
oct31712
920161
1013258
119a63
12780a
13605b
144b90
153ddd
hex33ca

13258 has 8 divisors (see below), whose sum is σ = 22752. Its totient is φ = 5676.

The previous prime is 13249. The next prime is 13259. The reversal of 13258 is 85231.

It is a happy number.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259) by changing a digit.

13258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (2844).

213258 is an apocalyptic number.

13258 is a deficient number, since it is larger than the sum of its proper divisors (9494).

13258 is an equidigital number, since it uses as much as digits as its factorization.

13258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its digits is 240, while the sum is 19.

The square root of 13258 is about 115.1433888680. The cubic root of 13258 is about 23.6678788861.

Adding to 13258 its reverse (85231), we get a palindrome (98489).

It can be divided in two parts, 132 and 58, that added together give a triangular number (190 = T19).

The spelling of 13258 in words is "thirteen thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 947 1894 6629 13258