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13389617 is a prime number
BaseRepresentation
bin110011000100…
…111100110001
3221012021002202
4303010330301
511411431432
61154552545
7221544533
oct63047461
927167082
1013389617
1176158aa
124598755
132a0a667
141ac7853
151297462
hexcc4f31

13389617 has 2 divisors, whose sum is σ = 13389618. Its totient is φ = 13389616.

The previous prime is 13389599. The next prime is 13389647. The reversal of 13389617 is 71698331.

13389617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 5527201 = 2804^2 + 2351^2 .

It is an emirp because it is prime and its reverse (71698331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13389617 - 26 = 13389553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13389647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694808 + 6694809.

It is an arithmetic number, because the mean of its divisors is an integer number (6694809).

Almost surely, 213389617 is an apocalyptic number.

It is an amenable number.

13389617 is a deficient number, since it is larger than the sum of its proper divisors (1).

13389617 is an equidigital number, since it uses as much as digits as its factorization.

13389617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 13389617 is about 3659.1825589877. The cubic root of 13389617 is about 237.4594102379.

The spelling of 13389617 in words is "thirteen million, three hundred eighty-nine thousand, six hundred seventeen".