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13712873 is a prime number
BaseRepresentation
bin110100010011…
…110111101001
3221210200112012
4310103313221
512002302443
61205525305
7224362136
oct64236751
927720465
1013712873
117816759
124713835
132ac1835
141b6d58d
15130d118
hexd13de9

13712873 has 2 divisors, whose sum is σ = 13712874. Its totient is φ = 13712872.

The previous prime is 13712837. The next prime is 13712879. The reversal of 13712873 is 37821731.

Together with previous prime (13712837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 375769 = 3652^2 + 613^2 .

It is an emirp because it is prime and its reverse (37821731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13712873 - 212 = 13708777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13712879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6856436 + 6856437.

It is an arithmetic number, because the mean of its divisors is an integer number (6856437).

Almost surely, 213712873 is an apocalyptic number.

It is an amenable number.

13712873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13712873 is an equidigital number, since it uses as much as digits as its factorization.

13712873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 13712873 is about 3703.0896559495. The cubic root of 13712873 is about 239.3551729789.

The spelling of 13712873 in words is "thirteen million, seven hundred twelve thousand, eight hundred seventy-three".