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12870497 is a prime number
BaseRepresentation
bin110001000110…
…001101100001
3220012220000002
4301012031201
511243323442
61135505345
7214253213
oct61061541
926186002
1012870497
1172a0882
124388255
1328882a3
1419d05b3
1511e3732
hexc46361

12870497 has 2 divisors, whose sum is σ = 12870498. Its totient is φ = 12870496.

The previous prime is 12870493. The next prime is 12870511. The reversal of 12870497 is 79407821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10297681 + 2572816 = 3209^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 12870497 - 22 = 12870493 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 12870497.

It is not a weakly prime, because it can be changed into another prime (12870493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435248 + 6435249.

It is an arithmetic number, because the mean of its divisors is an integer number (6435249).

Almost surely, 212870497 is an apocalyptic number.

It is an amenable number.

12870497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870497 is an equidigital number, since it uses as much as digits as its factorization.

12870497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12870497 is about 3587.5474909749. The cubic root of 12870497 is about 234.3500798867.

The spelling of 12870497 in words is "twelve million, eight hundred seventy thousand, four hundred ninety-seven".