Search a number
-
+
13345169 is a prime number
BaseRepresentation
bin110010111010…
…000110010001
3221010000010112
4302322012101
511404021134
61154011105
7221301125
oct62720621
927100115
1013345169
117595472
124576a95
1329c3366
141ab5585
1512891ce
hexcba191

13345169 has 2 divisors, whose sum is σ = 13345170. Its totient is φ = 13345168.

The previous prime is 13345109. The next prime is 13345177. The reversal of 13345169 is 96154331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 4464769 = 2980^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 13345169 - 28 = 13344913 is a prime.

It is a super-2 number, since 2×133451692 = 356187071277122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13345109) 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, 6672584 + 6672585.

It is an arithmetic number, because the mean of its divisors is an integer number (6672585).

Almost surely, 213345169 is an apocalyptic number.

It is an amenable number.

13345169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13345169 is an equidigital number, since it uses as much as digits as its factorization.

13345169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 13345169 is about 3653.1040226087. The cubic root of 13345169 is about 237.1963632213.

The spelling of 13345169 in words is "thirteen million, three hundred forty-five thousand, one hundred sixty-nine".