11345 has 4 divisors (see below), whose sum is σ = 13620. Its totient is φ = 9072.

The previous prime is 11329. The next prime is 11351. The reversal of 11345 is 54311.

11345 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 can be written as a sum of positive squares in 2 ways, for example, as 1936 + 9409 = 44^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345 - 2⁴ = 11329 is a prime.

11345 is strictly pandigital in base 6.

It is a Curzon number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (3405).

2¹¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

11345 is a deficient number, since it is larger than the sum of its proper divisors (2275).

11345 is an equidigital number, since it uses as much as digits as its factorization.

11345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

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

The square root of 11345 is about 106.5129100156. The cubic root of 11345 is about 22.4699186484.

Adding to 11345 its reverse (54311), we get a palindrome (65656).

The spelling of 11345 in words is "eleven thousand, three hundred forty-five".