13343345 has 4 divisors (see below), whose sum is σ = 16012020. Its totient is φ = 10674672.

The previous prime is 13343321. The next prime is 13343353. The reversal of 13343345 is 54334331.

It is a happy number.

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 4528384 + 8814961 = 2128^2 + 2969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13343345 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1334330 + ... + 1334339.

It is an arithmetic number, because the mean of its divisors is an integer number (4003005).

Almost surely, 2^13343345 is an apocalyptic number.

It is an amenable number.

13343345 is a deficient number, since it is larger than the sum of its proper divisors (2668675).

13343345 is an equidigital number, since it uses as much as digits as its factorization.

13343345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668674.

The product of its digits is 6480, while the sum is 26.

The square root of 13343345 is about 3652.8543633712. The cubic root of 13343345 is about 237.1855561674.

Adding to 13343345 its reverse (54334331), we get a palindrome (67677676).

The spelling of 13343345 in words is "thirteen million, three hundred forty-three thousand, three hundred forty-five".