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13120271 is a prime number
BaseRepresentation
bin110010000011…
…001100001111
3220200120121222
4302003030033
511324322041
61145113555
7216343343
oct62031417
926616558
1013120271
1174514aa
1244888bb
132944b98
141a57623
15124274b
hexc8330f

13120271 has 2 divisors, whose sum is σ = 13120272. Its totient is φ = 13120270.

The previous prime is 13120253. The next prime is 13120273. The reversal of 13120271 is 17202131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120271 - 210 = 13119247 is a prime.

It is a super-2 number, since 2×131202712 = 344283022226882, which contains 22 as substring.

Together with 13120273, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560135 + 6560136.

It is an arithmetic number, because the mean of its divisors is an integer number (6560136).

Almost surely, 213120271 is an apocalyptic number.

13120271 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120271 is an equidigital number, since it uses as much as digits as its factorization.

13120271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 13120271 is about 3622.1914637413. The cubic root of 13120271 is about 235.8563654859.

It can be divided in two parts, 131 and 20271, that added together give a palindrome (20402).

The spelling of 13120271 in words is "thirteen million, one hundred twenty thousand, two hundred seventy-one".