13845133 has 2 divisors, whose sum is σ = 13845134. Its totient is φ = 13845132.

The previous prime is 13845131. The next prime is 13845163. The reversal of 13845133 is 33154831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13823524 + 21609 = 3718^2 + 147^2 .

It is an emirp because it is prime and its reverse (33154831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13845133 - 2¹ = 13845131 is a prime.

Together with 13845131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13845131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922566 + 6922567.

It is an arithmetic number, because the mean of its divisors is an integer number (6922567).

Almost surely, 2^13845133 is an apocalyptic number.

It is an amenable number.

13845133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13845133 is an equidigital number, since it uses as much as digits as its factorization.

13845133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 13845133 is about 3720.9048630676. The cubic root of 13845133 is about 240.1222351871.

Adding to 13845133 its reverse (33154831), we get a palindrome (46999964).

The spelling of 13845133 in words is "thirteen million, eight hundred forty-five thousand, one hundred thirty-three".