13033133 has 4 divisors (see below), whose sum is σ = 13042428. Its totient is φ = 13023840.

The previous prime is 13033109. The next prime is 13033187. The reversal of 13033133 is 33133031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 1075369 = 3458^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033133 - 2¹⁴ = 13016749 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 (13033103) 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, 2066 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (3260607).

Almost surely, 2^13033133 is an apocalyptic number.

It is an amenable number.

13033133 is a deficient number, since it is larger than the sum of its proper divisors (9295).

13033133 is an equidigital number, since it uses as much as digits as its factorization.

13033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294.

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

The square root of 13033133 is about 3610.1430719571. The cubic root of 13033133 is about 235.3330602566. Note that the first 3 decimals are identical.

Adding to 13033133 its reverse (33133031), we get a palindrome (46166164).

The spelling of 13033133 in words is "thirteen million, thirty-three thousand, one hundred thirty-three".