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12198293 is a prime number
BaseRepresentation
bin101110100010…
…000110010101
3211221201220122
4232202012111
511110321133
61113241325
7205453352
oct56420625
924851818
1012198293
116981838
124103245
1326b1333
141897629
15110e498
hexba2195

12198293 has 2 divisors, whose sum is σ = 12198294. Its totient is φ = 12198292.

The previous prime is 12198289. The next prime is 12198301. The reversal of 12198293 is 39289121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7524049 + 4674244 = 2743^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 12198293 - 22 = 12198289 is a prime.

It is a super-2 number, since 2×121982932 = 297596704227698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12198793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099146 + 6099147.

It is an arithmetic number, because the mean of its divisors is an integer number (6099147).

Almost surely, 212198293 is an apocalyptic number.

It is an amenable number.

12198293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12198293 is an equidigital number, since it uses as much as digits as its factorization.

12198293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 12198293 is about 3492.6054744274. The cubic root of 12198293 is about 230.1970145569.

The spelling of 12198293 in words is "twelve million, one hundred ninety-eight thousand, two hundred ninety-three".