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12087379 is a prime number
BaseRepresentation
bin101110000111…
…000001010011
3211202002202201
4232013001103
511043244004
61111024031
7204512113
oct56070123
924662681
1012087379
116906477
12406b017
1326729c5
141869043
1510db6a4
hexb87053

12087379 has 2 divisors, whose sum is σ = 12087380. Its totient is φ = 12087378.

The previous prime is 12087371. The next prime is 12087409. The reversal of 12087379 is 97378021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12087379 - 23 = 12087371 is a prime.

It is a super-2 number, since 2×120873792 = 292209462179282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12087371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043689 + 6043690.

It is an arithmetic number, because the mean of its divisors is an integer number (6043690).

Almost surely, 212087379 is an apocalyptic number.

12087379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087379 is an equidigital number, since it uses as much as digits as its factorization.

12087379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12087379 is about 3476.6908116771. The cubic root of 12087379 is about 229.4971939857.

The spelling of 12087379 in words is "twelve million, eighty-seven thousand, three hundred seventy-nine".