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12380519 is a prime number
BaseRepresentation
bin101111001110…
…100101100111
3212021222212202
4233032211213
511132134034
61121205115
7210142544
oct57164547
925258782
1012380519
116a96738
12419079b
132746268
141903bcb
15114847e
hexbce967

12380519 has 2 divisors, whose sum is σ = 12380520. Its totient is φ = 12380518.

The previous prime is 12380513. The next prime is 12380527. The reversal of 12380519 is 91508321.

It is a weak prime.

It is an emirp because it is prime and its reverse (91508321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12380519 - 24 = 12380503 is a prime.

It is a super-2 number, since 2×123805192 = 306554501418722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12380491 and 12380500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12380513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6190259 + 6190260.

It is an arithmetic number, because the mean of its divisors is an integer number (6190260).

Almost surely, 212380519 is an apocalyptic number.

12380519 is a deficient number, since it is larger than the sum of its proper divisors (1).

12380519 is an equidigital number, since it uses as much as digits as its factorization.

12380519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12380519 is about 3518.5961689287. The cubic root of 12380519 is about 231.3376308743.

The spelling of 12380519 in words is "twelve million, three hundred eighty thousand, five hundred nineteen".