13333813 has 8 divisors (see below), whose sum is σ = 14363136. Its totient is φ = 12342000.

The previous prime is 13333811. The next prime is 13333829. The reversal of 13333813 is 31833331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13333813 - 2¹ = 13333811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8638 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (1795392).

Almost surely, 2^13333813 is an apocalyptic number.

It is an amenable number.

13333813 is a deficient number, since it is larger than the sum of its proper divisors (1029323).

13333813 is a wasteful number, since it uses less digits than its factorization.

13333813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18755.

The product of its digits is 1944, while the sum is 25.

The square root of 13333813 is about 3651.5493971738. The cubic root of 13333813 is about 237.1290638038.

The spelling of 13333813 in words is "thirteen million, three hundred thirty-three thousand, eight hundred thirteen".