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13071241 is a prime number
BaseRepresentation
bin110001110111…
…001110001001
3220121002101001
4301313032021
511321234431
61144055001
7216050401
oct61671611
926532331
1013071241
117418687
124464461
132928781
141a43801
151232e61
hexc77389

13071241 has 2 divisors, whose sum is σ = 13071242. Its totient is φ = 13071240.

The previous prime is 13071211. The next prime is 13071281. The reversal of 13071241 is 14217031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 2805625 = 3204^2 + 1675^2 .

It is an emirp because it is prime and its reverse (14217031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13071241 - 25 = 13071209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13071211) 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, 6535620 + 6535621.

It is an arithmetic number, because the mean of its divisors is an integer number (6535621).

Almost surely, 213071241 is an apocalyptic number.

It is an amenable number.

13071241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071241 is an equidigital number, since it uses as much as digits as its factorization.

13071241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13071241 is about 3615.4171266951. The cubic root of 13071241 is about 235.5622030563.

Adding to 13071241 its reverse (14217031), we get a palindrome (27288272).

The spelling of 13071241 in words is "thirteen million, seventy-one thousand, two hundred forty-one".