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12622117 is a prime number
BaseRepresentation
bin110000001001…
…100100100101
3212202021021211
4300021210211
511212401432
61130311421
7212200114
oct60114445
925667254
1012622117
117141202
124288571
1327cc211
141967c7b
151194d47
hexc09925

12622117 has 2 divisors, whose sum is σ = 12622118. Its totient is φ = 12622116.

The previous prime is 12622111. The next prime is 12622121. The reversal of 12622117 is 71122621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 224676 = 3521^2 + 474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12622117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12622111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311058 + 6311059.

It is an arithmetic number, because the mean of its divisors is an integer number (6311059).

Almost surely, 212622117 is an apocalyptic number.

It is an amenable number.

12622117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622117 is an equidigital number, since it uses as much as digits as its factorization.

12622117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 12622117 is about 3552.7618833803. The cubic root of 12622117 is about 232.8327497393.

Adding to 12622117 its reverse (71122621), we get a palindrome (83744738).

The spelling of 12622117 in words is "twelve million, six hundred twenty-two thousand, one hundred seventeen".