Search a number
-
+
13360813 is a prime number
BaseRepresentation
bin110010111101…
…111010101101
3221010210120221
4302331322231
511410021223
61154211341
7221364544
oct62757255
927123527
1013360813
1175a61a4
124583b51
1329ca50b
141abb15b
15128db5d
hexcbdead

13360813 has 2 divisors, whose sum is σ = 13360814. Its totient is φ = 13360812.

The previous prime is 13360801. The next prime is 13360843. The reversal of 13360813 is 31806331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 1814409 = 3398^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 13360813 - 213 = 13352621 is a prime.

It is a super-2 number, since 2×133608132 = 357022648041938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13360843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680406 + 6680407.

It is an arithmetic number, because the mean of its divisors is an integer number (6680407).

Almost surely, 213360813 is an apocalyptic number.

It is an amenable number.

13360813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13360813 is an equidigital number, since it uses as much as digits as its factorization.

13360813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13360813 is about 3655.2445882595. The cubic root of 13360813 is about 237.2890122511.

The spelling of 13360813 in words is "thirteen million, three hundred sixty thousand, eight hundred thirteen".