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12712873 is a prime number
BaseRepresentation
bin110000011111…
…101110101001
3212220212210011
4300133232221
511223302443
61132251521
7213025525
oct60375651
925825704
1012712873
1171a3408
124310ba1
132831614
14198cd85
1511b1b9d
hexc1fba9

12712873 has 2 divisors, whose sum is σ = 12712874. Its totient is φ = 12712872.

The previous prime is 12712823. The next prime is 12712891. The reversal of 12712873 is 37821721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6822544 + 5890329 = 2612^2 + 2427^2 .

It is a cyclic number.

It is not a de Polignac number, because 12712873 - 221 = 10615721 is a prime.

It is not a weakly prime, because it can be changed into another prime (12712823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6356436 + 6356437.

It is an arithmetic number, because the mean of its divisors is an integer number (6356437).

Almost surely, 212712873 is an apocalyptic number.

It is an amenable number.

12712873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12712873 is an equidigital number, since it uses as much as digits as its factorization.

12712873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 12712873 is about 3565.5116042442. The cubic root of 12712873 is about 233.3894583809.

The spelling of 12712873 in words is "twelve million, seven hundred twelve thousand, eight hundred seventy-three".