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13605113 is a prime number
BaseRepresentation
bin110011111001…
…100011111001
3221121012201002
4303321203321
511440330423
61203334345
7223433024
oct63714371
927535632
1013605113
1177527a5
1246813b5
132a84782
141b421bb
1512db228
hexcf98f9

13605113 has 2 divisors, whose sum is σ = 13605114. Its totient is φ = 13605112.

The previous prime is 13605101. The next prime is 13605127. The reversal of 13605113 is 31150631.

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., 7907344 + 5697769 = 2812^2 + 2387^2 .

It is an emirp because it is prime and its reverse (31150631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13605113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13605133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6802556 + 6802557.

It is an arithmetic number, because the mean of its divisors is an integer number (6802557).

Almost surely, 213605113 is an apocalyptic number.

It is an amenable number.

13605113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13605113 is an equidigital number, since it uses as much as digits as its factorization.

13605113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13605113 is about 3688.5109461678. The cubic root of 13605113 is about 238.7265477727.

Adding to 13605113 its reverse (31150631), we get a palindrome (44755744).

The spelling of 13605113 in words is "thirteen million, six hundred five thousand, one hundred thirteen".