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13017689 is a prime number
BaseRepresentation
bin110001101010…
…001001011001
3220111100220122
4301222021121
511313031224
61143003025
7215435306
oct61521131
926440818
1013017689
117391423
124439475
13290a299
141a2c0ad
15122215e
hexc6a259

13017689 has 2 divisors, whose sum is σ = 13017690. Its totient is φ = 13017688.

The previous prime is 13017677. The next prime is 13017703. The reversal of 13017689 is 98671031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 25 = 3608^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 13017689 - 212 = 13013593 is a prime.

It is not a weakly prime, because it can be changed into another prime (13017629) 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, 6508844 + 6508845.

It is an arithmetic number, because the mean of its divisors is an integer number (6508845).

Almost surely, 213017689 is an apocalyptic number.

It is an amenable number.

13017689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13017689 is an equidigital number, since it uses as much as digits as its factorization.

13017689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13017689 is about 3608.0034645216. The cubic root of 13017689 is about 235.2400685376.

The spelling of 13017689 in words is "thirteen million, seventeen thousand, six hundred eighty-nine".