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12701131 is a prime number
BaseRepresentation
bin110000011100…
…110111001011
3212220021200021
4300130313023
511222414011
61132121311
7212646352
oct60346713
925807607
1012701131
117195603
124306237
132829181
141988999
1511ad471
hexc1cdcb

12701131 has 2 divisors, whose sum is σ = 12701132. Its totient is φ = 12701130.

The previous prime is 12701113. The next prime is 12701153. The reversal of 12701131 is 13110721.

Together with previous prime (12701113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12701131 - 25 = 12701099 is a prime.

It is a super-2 number, since 2×127011312 = 322637457358322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12701111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350565 + 6350566.

It is an arithmetic number, because the mean of its divisors is an integer number (6350566).

Almost surely, 212701131 is an apocalyptic number.

12701131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12701131 is an equidigital number, since it uses as much as digits as its factorization.

12701131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12701131 is about 3563.8646158349. The cubic root of 12701131 is about 233.3175810228.

Adding to 12701131 its reverse (13110721), we get a palindrome (25811852).

It can be divided in two parts, 1270 and 1131, that added together give a 4-th power (2401 = 74).

The spelling of 12701131 in words is "twelve million, seven hundred one thousand, one hundred thirty-one".