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12818353 is a prime number
BaseRepresentation
bin110000111001…
…011110110001
3220010020110211
4300321132301
511240141403
61134424121
7213645202
oct60713661
926106424
1012818353
117265689
124362041
13286a632
1419b95a9
1511d306d
hexc397b1

12818353 has 2 divisors, whose sum is σ = 12818354. Its totient is φ = 12818352.

The previous prime is 12818347. The next prime is 12818387. The reversal of 12818353 is 35381821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 94864 = 3567^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12818353 - 29 = 12817841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12818053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409176 + 6409177.

It is an arithmetic number, because the mean of its divisors is an integer number (6409177).

Almost surely, 212818353 is an apocalyptic number.

It is an amenable number.

12818353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12818353 is an equidigital number, since it uses as much as digits as its factorization.

12818353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 12818353 is about 3580.2727549727. The cubic root of 12818353 is about 234.0331667016.

It can be divided in two parts, 128 and 18353, that added together give a palindrome (18481).

The spelling of 12818353 in words is "twelve million, eight hundred eighteen thousand, three hundred fifty-three".