13340005 has 12 divisors (see below), whose sum is σ = 18621900. Its totient is φ = 9147264.

The previous prime is 13340003. The next prime is 13340021. The reversal of 13340005 is 50004331.

It can be written as a sum of positive squares in 2 ways, for example, as 9443329 + 3896676 = 3073^2 + 1974^2 .

It is not a de Polignac number, because 13340005 - 2¹ = 13340003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340003) 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 11 ways as a sum of consecutive naturals, for example, 26980 + ... + 27469.

It is an arithmetic number, because the mean of its divisors is an integer number (1551825).

Almost surely, 2^13340005 is an apocalyptic number.

It is an amenable number.

13340005 is a deficient number, since it is larger than the sum of its proper divisors (5281895).

13340005 is an equidigital number, since it uses as much as digits as its factorization.

13340005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54468 (or 54461 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13340005 is about 3652.3971580320. The cubic root of 13340005 is about 237.1657643819.

Adding to 13340005 its reverse (50004331), we get a palindrome (63344336).

The spelling of 13340005 in words is "thirteen million, three hundred forty thousand, five".