Search a number
-
+
13768577 is a prime number
BaseRepresentation
bin110100100001…
…011110000001
3221220111221022
4310201132001
512011043302
61211035225
7225013424
oct64413601
927814838
1013768577
117854599
12473bb15
132b10cb4
141b859bb
15131e8a2
hexd21781

13768577 has 2 divisors, whose sum is σ = 13768578. Its totient is φ = 13768576.

The previous prime is 13768543. The next prime is 13768609. The reversal of 13768577 is 77586731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 923521 = 3584^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 13768577 - 210 = 13767553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13768507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884288 + 6884289.

It is an arithmetic number, because the mean of its divisors is an integer number (6884289).

Almost surely, 213768577 is an apocalyptic number.

It is an amenable number.

13768577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13768577 is an equidigital number, since it uses as much as digits as its factorization.

13768577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 44.

The square root of 13768577 is about 3710.6033202163. The cubic root of 13768577 is about 239.6788354602.

The spelling of 13768577 in words is "thirteen million, seven hundred sixty-eight thousand, five hundred seventy-seven".