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12926231 is a prime number
BaseRepresentation
bin110001010011…
…110100010111
3220022201110022
4301103310113
511302114411
61141015355
7214604543
oct61236427
926281408
1012926231
11732973a
1243b455b
1328a7776
141a06a23
151204edb
hexc53d17

12926231 has 2 divisors, whose sum is σ = 12926232. Its totient is φ = 12926230.

The previous prime is 12926227. The next prime is 12926267. The reversal of 12926231 is 13262921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12926231 - 22 = 12926227 is a prime.

It is a super-2 number, since 2×129262312 = 334174895730722, which contains 22 as substring.

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 12926231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12926831) 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, 6463115 + 6463116.

It is an arithmetic number, because the mean of its divisors is an integer number (6463116).

Almost surely, 212926231 is an apocalyptic number.

12926231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12926231 is an equidigital number, since it uses as much as digits as its factorization.

12926231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 12926231 is about 3595.3068019294. The cubic root of 12926231 is about 234.6878668738.

The spelling of 12926231 in words is "twelve million, nine hundred twenty-six thousand, two hundred thirty-one".