13333361 has 2 divisors, whose sum is σ = 13333362. Its totient is φ = 13333360.

The previous prime is 13333343. The next prime is 13333373. The reversal of 13333361 is 16333331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 516961 = 3580^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333361 - 2¹⁰ = 13332337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13333381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666680 + 6666681.

It is an arithmetic number, because the mean of its divisors is an integer number (6666681).

Almost surely, 2^13333361 is an apocalyptic number.

It is an amenable number.

13333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13333361 is an equidigital number, since it uses as much as digits as its factorization.

13333361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 23.

The square root of 13333361 is about 3651.4875051135. The cubic root of 13333361 is about 237.1263843115.

Adding to 13333361 its reverse (16333331), we get a palindrome (29666692).

The spelling of 13333361 in words is "thirteen million, three hundred thirty-three thousand, three hundred sixty-one".