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12107387 is a prime number
BaseRepresentation
bin101110001011…
…111001111011
3211210010012202
4232023321323
511044414022
61111300415
7204624335
oct56137173
924703182
1012107387
11691a506
12407a70b
13267bb46
141872455
1510e2592
hexb8be7b

12107387 has 2 divisors, whose sum is σ = 12107388. Its totient is φ = 12107386.

The previous prime is 12107357. The next prime is 12107401. The reversal of 12107387 is 78370121.

12107387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78370121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12107387 - 214 = 12091003 is a prime.

It is not a weakly prime, because it can be changed into another prime (12107327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053693 + 6053694.

It is an arithmetic number, because the mean of its divisors is an integer number (6053694).

Almost surely, 212107387 is an apocalyptic number.

12107387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12107387 is an equidigital number, since it uses as much as digits as its factorization.

12107387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12107387 is about 3479.5670707719. The cubic root of 12107387 is about 229.6237515745.

The spelling of 12107387 in words is "twelve million, one hundred seven thousand, three hundred eighty-seven".