Search a number
-
+
12793577 is a prime number
BaseRepresentation
bin110000110011…
…011011101001
3220001222111012
4300303123221
511233343302
61134113305
7213513026
oct60633351
926058435
1012793577
117249005
12434b835
13285c284
1419b054d
1511caa52
hexc336e9

12793577 has 2 divisors, whose sum is σ = 12793578. Its totient is φ = 12793576.

The previous prime is 12793559. The next prime is 12793579. The reversal of 12793577 is 77539721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 2399401 = 3224^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 12793577 - 26 = 12793513 is a prime.

It is a super-2 number, since 2×127935772 = 327351224909858, which contains 22 as substring.

Together with 12793579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12793579) 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, 6396788 + 6396789.

It is an arithmetic number, because the mean of its divisors is an integer number (6396789).

Almost surely, 212793577 is an apocalyptic number.

It is an amenable number.

12793577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793577 is an equidigital number, since it uses as much as digits as its factorization.

12793577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 12793577 is about 3576.8110098243. The cubic root of 12793577 is about 233.8822854982.

The spelling of 12793577 in words is "twelve million, seven hundred ninety-three thousand, five hundred seventy-seven".