13133321 has 2 divisors, whose sum is σ = 13133322. Its totient is φ = 13133320.

The previous prime is 13133311. The next prime is 13133363. The reversal of 13133321 is 12333131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 3763600 = 3061^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133321 - 2¹⁰ = 13132297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13133321.

It is not a weakly prime, because it can be changed into another prime (13133311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566660 + 6566661.

It is an arithmetic number, because the mean of its divisors is an integer number (6566661).

Almost surely, 2^13133321 is an apocalyptic number.

It is an amenable number.

13133321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13133321 is an equidigital number, since it uses as much as digits as its factorization.

13133321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 17.

The square root of 13133321 is about 3623.9924116918. The cubic root of 13133321 is about 235.9345372872.

Adding to 13133321 its reverse (12333131), we get a palindrome (25466452).

The spelling of 13133321 in words is "thirteen million, one hundred thirty-three thousand, three hundred twenty-one".