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12913853 is a prime number
BaseRepresentation
bin110001010000…
…110010111101
3220022002110212
4301100302331
511301220403
61140442205
7214523501
oct61206275
926262425
1012913853
117320407
1243a9365
1328a1c44
141a02301
1512014d8
hexc50cbd

12913853 has 2 divisors, whose sum is σ = 12913854. Its totient is φ = 12913852.

The previous prime is 12913847. The next prime is 12913867. The reversal of 12913853 is 35831921.

12913853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8082649 + 4831204 = 2843^2 + 2198^2 .

It is an emirp because it is prime and its reverse (35831921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12913853 - 222 = 8719549 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 (12913843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456926 + 6456927.

It is an arithmetic number, because the mean of its divisors is an integer number (6456927).

Almost surely, 212913853 is an apocalyptic number.

It is an amenable number.

12913853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913853 is an equidigital number, since it uses as much as digits as its factorization.

12913853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 12913853 is about 3593.5849788199. The cubic root of 12913853 is about 234.6129315436.

The spelling of 12913853 in words is "twelve million, nine hundred thirteen thousand, eight hundred fifty-three".