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12660353 is a prime number
BaseRepresentation
bin110000010010…
…111010000001
3212211012201222
4300102322001
511220112403
61131204425
7212416436
oct60227201
925735658
1012660353
117167a02
1242a6715
132813744
141977b8d
1511a1338
hexc12e81

12660353 has 2 divisors, whose sum is σ = 12660354. Its totient is φ = 12660352.

The previous prime is 12660341. The next prime is 12660377. The reversal of 12660353 is 35306621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 494209 = 3488^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 12660353 - 24 = 12660337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12660553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330176 + 6330177.

It is an arithmetic number, because the mean of its divisors is an integer number (6330177).

Almost surely, 212660353 is an apocalyptic number.

It is an amenable number.

12660353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660353 is an equidigital number, since it uses as much as digits as its factorization.

12660353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 12660353 is about 3558.1389798601. The cubic root of 12660353 is about 233.0676183861.

Adding to 12660353 its reverse (35306621), we get a palindrome (47966974).

The spelling of 12660353 in words is "twelve million, six hundred sixty thousand, three hundred fifty-three".