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13299271 is a prime number
BaseRepresentation
bin110010101110…
…111001000111
3221000200011121
4302232321013
511401034041
61153014411
7221020246
oct62567107
927020147
1013299271
117563a37
124554407
1329a84bb
141aa295d
15127a7d1
hexcaee47

13299271 has 2 divisors, whose sum is σ = 13299272. Its totient is φ = 13299270.

The previous prime is 13299269. The next prime is 13299277. The reversal of 13299271 is 17299231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17299231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13299271 - 21 = 13299269 is a prime.

Together with 13299269, it forms a pair of twin primes.

It is equal to p867436 and since 13299271 and 867436 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13299277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6649635 + 6649636.

It is an arithmetic number, because the mean of its divisors is an integer number (6649636).

Almost surely, 213299271 is an apocalyptic number.

13299271 is a deficient number, since it is larger than the sum of its proper divisors (1).

13299271 is an equidigital number, since it uses as much as digits as its factorization.

13299271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 13299271 is about 3646.8165569439. The cubic root of 13299271 is about 236.9241212935.

The spelling of 13299271 in words is "thirteen million, two hundred ninety-nine thousand, two hundred seventy-one".