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12937853 is a prime number
BaseRepresentation
bin110001010110…
…101001111101
3220100022101202
4301112221331
511303002403
61141145245
7214653455
oct61265175
926308352
1012937853
117337445
1243bb225
1328acb46
141a0ad65
151208688
hexc56a7d

12937853 has 2 divisors, whose sum is σ = 12937854. Its totient is φ = 12937852.

The previous prime is 12937849. The next prime is 12937861. The reversal of 12937853 is 35873921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 917764 = 3467^2 + 958^2 .

It is an emirp because it is prime and its reverse (35873921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12937853 - 22 = 12937849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12937823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468926 + 6468927.

It is an arithmetic number, because the mean of its divisors is an integer number (6468927).

Almost surely, 212937853 is an apocalyptic number.

It is an amenable number.

12937853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12937853 is an equidigital number, since it uses as much as digits as its factorization.

12937853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 12937853 is about 3596.9227125419. The cubic root of 12937853 is about 234.7581819138.

The spelling of 12937853 in words is "twelve million, nine hundred thirty-seven thousand, eight hundred fifty-three".