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12382709 is a prime number
BaseRepresentation
bin101111001111…
…000111110101
3212022002212212
4233033013311
511132221314
61121223205
7210152123
oct57170765
925262785
1012382709
116a98349
124191b05
132747261
141904913
151148e3e
hexbcf1f5

12382709 has 2 divisors, whose sum is σ = 12382710. Its totient is φ = 12382708.

The previous prime is 12382693. The next prime is 12382723. The reversal of 12382709 is 90728321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 286225 = 3478^2 + 535^2 .

It is an emirp because it is prime and its reverse (90728321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12382709 - 24 = 12382693 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 (12382759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191354 + 6191355.

It is an arithmetic number, because the mean of its divisors is an integer number (6191355).

Almost surely, 212382709 is an apocalyptic number.

It is an amenable number.

12382709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12382709 is an equidigital number, since it uses as much as digits as its factorization.

12382709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12382709 is about 3518.9073588260. The cubic root of 12382709 is about 231.3512705702.

The spelling of 12382709 in words is "twelve million, three hundred eighty-two thousand, seven hundred nine".