13033233021 has 8 divisors (see below), whose sum is σ = 17705524320. Its totient is φ = 8524881872.

The previous prime is 13033232959. The next prime is 13033233043. The reversal of 13033233021 is 12033233031.

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 13033233021 - 2¹³ = 13033224829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033233721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40984851 + ... + 40985168.

It is an arithmetic number, because the mean of its divisors is an integer number (2213190540).

Almost surely, 2^13033233021 is an apocalyptic number.

It is an amenable number.

13033233021 is a deficient number, since it is larger than the sum of its proper divisors (4672291299).

13033233021 is an equidigital number, since it uses as much as digits as its factorization.

13033233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81970075.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13033233021 its reverse (12033233031), we get a palindrome (25066466052).

The spelling of 13033233021 in words is "thirteen billion, thirty-three million, two hundred thirty-three thousand, twenty-one".