Search a number
-
+
13201189 is a prime number
BaseRepresentation
bin110010010110…
…111100100101
3220211200121221
4302112330211
511334414224
61150540341
7220131301
oct62267445
926750557
1013201189
1174a7281
1245076b1
132972971
141a78d01
15125b6e4
hexc96f25

13201189 has 2 divisors, whose sum is σ = 13201190. Its totient is φ = 13201188.

The previous prime is 13201159. The next prime is 13201217. The reversal of 13201189 is 98110231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 2500 = 3633^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201189 - 25 = 13201157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600594 + 6600595.

It is an arithmetic number, because the mean of its divisors is an integer number (6600595).

Almost surely, 213201189 is an apocalyptic number.

It is an amenable number.

13201189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201189 is an equidigital number, since it uses as much as digits as its factorization.

13201189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13201189 is about 3633.3440519720. The cubic root of 13201189 is about 236.3402458430.

The spelling of 13201189 in words is "thirteen million, two hundred one thousand, one hundred eighty-nine".