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14661397 is a prime number
BaseRepresentation
bin110111111011…
…011100010101
31000120212122201
4313323130111
512223131042
61242124501
7235422412
oct67733425
930525581
1014661397
118304363
124ab0731
1330644aa
141d39109
1514491b7
hexdfb715

14661397 has 2 divisors, whose sum is σ = 14661398. Its totient is φ = 14661396.

The previous prime is 14661391. The next prime is 14661401. The reversal of 14661397 is 79316641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13608721 + 1052676 = 3689^2 + 1026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14661397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14661391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330698 + 7330699.

It is an arithmetic number, because the mean of its divisors is an integer number (7330699).

Almost surely, 214661397 is an apocalyptic number.

It is an amenable number.

14661397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661397 is an equidigital number, since it uses as much as digits as its factorization.

14661397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 14661397 is about 3829.0203707998. The cubic root of 14661397 is about 244.7513623611.

The spelling of 14661397 in words is "fourteen million, six hundred sixty-one thousand, three hundred ninety-seven".