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13075849 is a prime number
BaseRepresentation
bin110001111000…
…010110001001
3220121022200201
4301320112021
511321411344
61144132201
7216100003
oct61702611
926538621
1013075849
117421096
124467061
13292a8b7
141a45373
1512344d4
hexc78589

13075849 has 2 divisors, whose sum is σ = 13075850. Its totient is φ = 13075848.

The previous prime is 13075813. The next prime is 13075861. The reversal of 13075849 is 94857031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 4981824 = 2845^2 + 2232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13075849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13075889) 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, 6537924 + 6537925.

It is an arithmetic number, because the mean of its divisors is an integer number (6537925).

Almost surely, 213075849 is an apocalyptic number.

It is an amenable number.

13075849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13075849 is an equidigital number, since it uses as much as digits as its factorization.

13075849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13075849 is about 3616.0543414058. The cubic root of 13075849 is about 235.5898806910.

It can be divided in two parts, 13075 and 849, that added together give a square (13924 = 1182).

The spelling of 13075849 in words is "thirteen million, seventy-five thousand, eight hundred forty-nine".