13245 has 8 divisors (see below), whose sum is σ = 21216. Its totient is φ = 7056.

The previous prime is 13241. The next prime is 13249. The reversal of 13245 is 54231.

It is an interprime number because it is at equal distance from previous prime (13241) and next prime (13249).

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

It is not a de Polignac number, because 13245 - 2² = 13241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 883 = 13245 / (1 + 3 + 2 + 4 + 5).

13245 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (2652).

2¹³²⁴⁵ is an apocalyptic number.

13245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13245 is a deficient number, since it is larger than the sum of its proper divisors (7971).

13245 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 7 representation: 13245 = (53421)₇.

13245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 120, while the sum is 15.

The square root of 13245 is about 115.0869236708. The cubic root of 13245 is about 23.6601405886.

Adding to 13245 its reverse (54231), we get a palindrome (67476).

The spelling of 13245 in words is "thirteen thousand, two hundred forty-five".