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12903349 is a prime number
BaseRepresentation
bin110001001110…
…001110110101
3220021120001211
4301032032311
511300401344
61140321421
7214451044
oct61161665
926246054
1012903349
117313528
1243a3271
13289a224
1419dc55b
1511ed334
hexc4e3b5

12903349 has 2 divisors, whose sum is σ = 12903350. Its totient is φ = 12903348.

The previous prime is 12903313. The next prime is 12903367. The reversal of 12903349 is 94330921.

12903349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 2502724 = 3225^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 12903349 - 219 = 12379061 is a prime.

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 12903349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12903379) 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, 6451674 + 6451675.

It is an arithmetic number, because the mean of its divisors is an integer number (6451675).

Almost surely, 212903349 is an apocalyptic number.

It is an amenable number.

12903349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12903349 is an equidigital number, since it uses as much as digits as its factorization.

12903349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12903349 is about 3592.1231883108. The cubic root of 12903349 is about 234.5493036782.

The spelling of 12903349 in words is "twelve million, nine hundred three thousand, three hundred forty-nine".