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13987301 is a prime number
BaseRepresentation
bin110101010110…
…110111100101
3222022121222012
4311112313211
512040043201
61215444005
7226614206
oct65266745
928277865
1013987301
117993959
124826605
132b89713
141c015ad
1513645bb
hexd56de5

13987301 has 2 divisors, whose sum is σ = 13987302. Its totient is φ = 13987300.

The previous prime is 13987291. The next prime is 13987313. The reversal of 13987301 is 10378931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 1020100 = 3601^2 + 1010^2 .

It is an emirp because it is prime and its reverse (10378931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13987301 - 214 = 13970917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13987321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993650 + 6993651.

It is an arithmetic number, because the mean of its divisors is an integer number (6993651).

Almost surely, 213987301 is an apocalyptic number.

It is an amenable number.

13987301 is a deficient number, since it is larger than the sum of its proper divisors (1).

13987301 is an equidigital number, since it uses as much as digits as its factorization.

13987301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13987301 is about 3739.9600265243. The cubic root of 13987301 is about 240.9413320000.

The spelling of 13987301 in words is "thirteen million, nine hundred eighty-seven thousand, three hundred one".