13005345 has 8 divisors (see below), whose sum is σ = 20808576. Its totient is φ = 6936176.

The previous prime is 13005331. The next prime is 13005359. The reversal of 13005345 is 54350031.

It is an interprime number because it is at equal distance from previous prime (13005331) and next prime (13005359).

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

It is a cyclic number.

It is not a de Polignac number, because 13005345 - 2⁹ = 13004833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433497 + ... + 433526.

It is an arithmetic number, because the mean of its divisors is an integer number (2601072).

Almost surely, 2^13005345 is an apocalyptic number.

13005345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13005345 is a deficient number, since it is larger than the sum of its proper divisors (7803231).

13005345 is an equidigital number, since it uses as much as digits as its factorization.

13005345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867031.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13005345 is about 3606.2924174282. The cubic root of 13005345 is about 235.1656896999.

Adding to 13005345 its reverse (54350031), we get a palindrome (67355376).

The spelling of 13005345 in words is "thirteen million, five thousand, three hundred forty-five".