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12755131 is a prime number
BaseRepresentation
bin110000101010…
…000010111011
3220000000202021
4300222002323
511231131011
61133215311
7213262654
oct60520273
926000667
1012755131
117222134
124331537
13284791c
1419a052b
1511be471
hexc2a0bb

12755131 has 2 divisors, whose sum is σ = 12755132. Its totient is φ = 12755130.

The previous prime is 12755123. The next prime is 12755147. The reversal of 12755131 is 13155721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12755131 - 23 = 12755123 is a prime.

It is a super-2 number, since 2×127551312 = 325386733654322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12755096 and 12755105.

It is not a weakly prime, because it can be changed into another prime (12755231) 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, 6377565 + 6377566.

It is an arithmetic number, because the mean of its divisors is an integer number (6377566).

Almost surely, 212755131 is an apocalyptic number.

12755131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12755131 is an equidigital number, since it uses as much as digits as its factorization.

12755131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 25.

The square root of 12755131 is about 3571.4326257120. The cubic root of 12755131 is about 233.6477704093.

The spelling of 12755131 in words is "twelve million, seven hundred fifty-five thousand, one hundred thirty-one".