Search a number
-
+
13189133 is a prime number
BaseRepresentation
bin110010010100…
…000000001101
3220211002002102
4302110000031
511334023013
61150404445
7220051166
oct62240015
926732072
1013189133
117499211
124500725
13296a329
141a7476d
151257d58
hexc9400d

13189133 has 2 divisors, whose sum is σ = 13189134. Its totient is φ = 13189132.

The previous prime is 13189091. The next prime is 13189147. The reversal of 13189133 is 33198131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 1444804 = 3427^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 13189133 - 212 = 13185037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13189096 and 13189105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13189153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594566 + 6594567.

It is an arithmetic number, because the mean of its divisors is an integer number (6594567).

Almost surely, 213189133 is an apocalyptic number.

It is an amenable number.

13189133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13189133 is an equidigital number, since it uses as much as digits as its factorization.

13189133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 13189133 is about 3631.6845953359. The cubic root of 13189133 is about 236.2682779360.

The spelling of 13189133 in words is "thirteen million, one hundred eighty-nine thousand, one hundred thirty-three".