13312133 has 2 divisors, whose sum is σ = 13312134. Its totient is φ = 13312132.

The previous prime is 13312129. The next prime is 13312151. The reversal of 13312133 is 33121331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 4919524 = 2897^2 + 2218^2 .

It is an emirp because it is prime and its reverse (33121331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13312133 - 2² = 13312129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656066 + 6656067.

It is an arithmetic number, because the mean of its divisors is an integer number (6656067).

Almost surely, 2^13312133 is an apocalyptic number.

It is an amenable number.

13312133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312133 is an equidigital number, since it uses as much as digits as its factorization.

13312133 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 13312133 is about 3648.5795866337. The cubic root of 13312133 is about 237.0004747568. Note that the first 3 decimals are identical.

Adding to 13312133 its reverse (33121331), we get a palindrome (46433464).

The spelling of 13312133 in words is "thirteen million, three hundred twelve thousand, one hundred thirty-three".