13333013 has 4 divisors (see below), whose sum is σ = 13350540. Its totient is φ = 13315488.

The previous prime is 13332973. The next prime is 13333039. The reversal of 13333013 is 31033331.

13333013 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31033331 = 7 ⋅4433333.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 5726449 = 2758^2 + 2393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13333013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13332982 and 13333000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7568 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (3337635).

Almost surely, 2^13333013 is an apocalyptic number.

It is an amenable number.

13333013 is a deficient number, since it is larger than the sum of its proper divisors (17527).

13333013 is an equidigital number, since it uses as much as digits as its factorization.

13333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 13333013 is about 3651.4398529895. The cubic root of 13333013 is about 237.1243212983.

Adding to 13333013 its reverse (31033331), we get a palindrome (44366344).

The spelling of 13333013 in words is "thirteen million, three hundred thirty-three thousand, thirteen".