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12975349 is a prime number
BaseRepresentation
bin110001011111…
…110011110101
3220102012211111
4301133303311
511310202344
61142035021
7215201002
oct61376365
926365744
1012975349
117362632
124418a71
1328c3c2a
141a1a8a9
151214834
hexc5fcf5

12975349 has 2 divisors, whose sum is σ = 12975350. Its totient is φ = 12975348.

The previous prime is 12975341. The next prime is 12975377. The reversal of 12975349 is 94357921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12552849 + 422500 = 3543^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 12975349 - 23 = 12975341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12975341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6487674 + 6487675.

It is an arithmetic number, because the mean of its divisors is an integer number (6487675).

Almost surely, 212975349 is an apocalyptic number.

It is an amenable number.

12975349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12975349 is an equidigital number, since it uses as much as digits as its factorization.

12975349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 12975349 is about 3602.1311747353. The cubic root of 12975349 is about 234.9847522927.

The spelling of 12975349 in words is "twelve million, nine hundred seventy-five thousand, three hundred forty-nine".