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12958349 is a prime number
BaseRepresentation
bin110001011011…
…101010001101
3220101100111212
4301123222031
511304131344
61141424205
7215100305
oct61335215
926340455
1012958349
117350888
12440b065
1328b9281
141a14605
15120e79e
hexc5ba8d

12958349 has 2 divisors, whose sum is σ = 12958350. Its totient is φ = 12958348.

The previous prime is 12958339. The next prime is 12958357. The reversal of 12958349 is 94385921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9030025 + 3928324 = 3005^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 12958349 - 216 = 12892813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12958339) 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, 6479174 + 6479175.

It is an arithmetic number, because the mean of its divisors is an integer number (6479175).

Almost surely, 212958349 is an apocalyptic number.

It is an amenable number.

12958349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12958349 is an equidigital number, since it uses as much as digits as its factorization.

12958349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 12958349 is about 3599.7706871411. The cubic root of 12958349 is about 234.8820835921.

The spelling of 12958349 in words is "twelve million, nine hundred fifty-eight thousand, three hundred forty-nine".