13345005 has 16 divisors (see below), whose sum is σ = 21397824. Its totient is φ = 7102080.

The previous prime is 13345001. The next prime is 13345009. The reversal of 13345005 is 50054331.

It is an interprime number because it is at equal distance from previous prime (13345001) and next prime (13345009).

It is not a de Polignac number, because 13345005 - 2² = 13345001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11617 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (1337364).

Almost surely, 2^13345005 is an apocalyptic number.

13345005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13345005 is a deficient number, since it is larger than the sum of its proper divisors (8052819).

13345005 is a wasteful number, since it uses less digits than its factorization.

13345005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

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

The square root of 13345005 is about 3653.0815758754. The cubic root of 13345005 is about 237.1953915747.

Adding to 13345005 its reverse (50054331), we get a palindrome (63399336).

The spelling of 13345005 in words is "thirteen million, three hundred forty-five thousand, five".