13001213333 has 4 divisors (see below), whose sum is σ = 13001527308. Its totient is φ = 13000899360.

The previous prime is 13001213327. The next prime is 13001213501. The reversal of 13001213333 is 33331210031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33331210031 = 7 ⋅4761601433.

It can be written as a sum of positive squares in 2 ways, for example, as 4734403249 + 8266810084 = 68807^2 + 90922^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001213333 - 2⁸ = 13001213077 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 (13001203333) 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, 83366 + ... + 181527.

It is an arithmetic number, because the mean of its divisors is an integer number (3250381827).

Almost surely, 2^13001213333 is an apocalyptic number.

It is an amenable number.

13001213333 is a deficient number, since it is larger than the sum of its proper divisors (313975).

13001213333 is an equidigital number, since it uses as much as digits as its factorization.

13001213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313974.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13001213333 its reverse (33331210031), we get a palindrome (46332423364).

The spelling of 13001213333 in words is "thirteen billion, one million, two hundred thirteen thousand, three hundred thirty-three".