13043313 has 12 divisors (see below), whose sum is σ = 18874128. Its totient is φ = 8679960.

The previous prime is 13043309. The next prime is 13043333. The reversal of 13043313 is 31334031.

13043313 = 682² + 683² + ... + 708².

It is not a de Polignac number, because 13043313 - 2² = 13043309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13043333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6406 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (1572844).

Almost surely, 2^13043313 is an apocalyptic number.

It is an amenable number.

13043313 is a deficient number, since it is larger than the sum of its proper divisors (5830815).

13043313 is a wasteful number, since it uses less digits than its factorization.

13043313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13043313 is about 3611.5527131692. The cubic root of 13043313 is about 235.3943161106.

Adding to 13043313 its reverse (31334031), we get a palindrome (44377344).

The spelling of 13043313 in words is "thirteen million, forty-three thousand, three hundred thirteen".