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12846131 is a prime number
BaseRepresentation
bin110001000000…
…010000110011
3220011122120122
4301000100303
511242034011
61135200455
7214122164
oct61002063
926148518
1012846131
117284541
12437612b
13287a17c
1419c576b
1511db3db
hexc40433

12846131 has 2 divisors, whose sum is σ = 12846132. Its totient is φ = 12846130.

The previous prime is 12846083. The next prime is 12846133. The reversal of 12846131 is 13164821.

It is a strong prime.

It is an emirp because it is prime and its reverse (13164821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12846131 is a prime.

It is a super-2 number, since 2×128461312 = 330046163338322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12846133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12846131.

It is not a weakly prime, because it can be changed into another prime (12846133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6423065 + 6423066.

It is an arithmetic number, because the mean of its divisors is an integer number (6423066).

Almost surely, 212846131 is an apocalyptic number.

12846131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12846131 is an equidigital number, since it uses as much as digits as its factorization.

12846131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 12846131 is about 3584.1499689606. The cubic root of 12846131 is about 234.2020985182.

The spelling of 12846131 in words is "twelve million, eight hundred forty-six thousand, one hundred thirty-one".