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12134831 is a prime number
BaseRepresentation
bin101110010010…
…100110101111
3211211111212012
4232102212233
511101303311
61112031435
7205100342
oct56224657
924744765
1012134831
116939095
12409257b
13268b497
14187c459
1510ea78b
hexb929af

12134831 has 2 divisors, whose sum is σ = 12134832. Its totient is φ = 12134830.

The previous prime is 12134819. The next prime is 12134867. The reversal of 12134831 is 13843121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12134831 is a prime.

It is a super-2 number, since 2×121348312 = 294508246797122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12134797 and 12134806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12134891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067415 + 6067416.

It is an arithmetic number, because the mean of its divisors is an integer number (6067416).

Almost surely, 212134831 is an apocalyptic number.

12134831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134831 is an equidigital number, since it uses as much as digits as its factorization.

12134831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 12134831 is about 3483.5084326007. The cubic root of 12134831 is about 229.7971178775.

Adding to 12134831 its reverse (13843121), we get a palindrome (25977952).

The spelling of 12134831 in words is "twelve million, one hundred thirty-four thousand, eight hundred thirty-one".