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12927349 is a prime number
BaseRepresentation
bin110001010100…
…000101110101
3220022202222201
4301110011311
511302133344
61141024501
7214611031
oct61240565
926282881
1012927349
11732a566
1243b5131
1328a8126
141a071c1
1512054d4
hexc54175

12927349 has 2 divisors, whose sum is σ = 12927350. Its totient is φ = 12927348.

The previous prime is 12927347. The next prime is 12927371. The reversal of 12927349 is 94372921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 1918225 = 3318^2 + 1385^2 .

It is an emirp because it is prime and its reverse (94372921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12927349 - 21 = 12927347 is a prime.

Together with 12927347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12927347) 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, 6463674 + 6463675.

It is an arithmetic number, because the mean of its divisors is an integer number (6463675).

Almost surely, 212927349 is an apocalyptic number.

It is an amenable number.

12927349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12927349 is an equidigital number, since it uses as much as digits as its factorization.

12927349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 12927349 is about 3595.4622790401. The cubic root of 12927349 is about 234.6946327921.

The spelling of 12927349 in words is "twelve million, nine hundred twenty-seven thousand, three hundred forty-nine".