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12388339 is a prime number
BaseRepresentation
bin101111010000…
…011111110011
3212022101121101
4233100133303
511132411324
61121305231
7210204415
oct57203763
925271541
1012388339
116aa15a7
124195217
1327499a2
1419069b5
15114a944
hexbd07f3

12388339 has 2 divisors, whose sum is σ = 12388340. Its totient is φ = 12388338.

The previous prime is 12388309. The next prime is 12388349. The reversal of 12388339 is 93388321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12388339 - 211 = 12386291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12388298 and 12388307.

It is not a weakly prime, because it can be changed into another prime (12388309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6194169 + 6194170.

It is an arithmetic number, because the mean of its divisors is an integer number (6194170).

Almost surely, 212388339 is an apocalyptic number.

12388339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12388339 is an equidigital number, since it uses as much as digits as its factorization.

12388339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 12388339 is about 3519.7072321430. The cubic root of 12388339 is about 231.3863277966.

The spelling of 12388339 in words is "twelve million, three hundred eighty-eight thousand, three hundred thirty-nine".