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12750379 is a prime number
BaseRepresentation
bin110000101000…
…111000101011
3212222210020021
4300220320223
511231003004
61133141311
7213243055
oct60507053
925883207
1012750379
117219604
12432a837
132845705
14199c8d5
1511bcd54
hexc28e2b

12750379 has 2 divisors, whose sum is σ = 12750380. Its totient is φ = 12750378.

The previous prime is 12750373. The next prime is 12750383. The reversal of 12750379 is 97305721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12750379 - 23 = 12750371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12750371) 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, 6375189 + 6375190.

It is an arithmetic number, because the mean of its divisors is an integer number (6375190).

Almost surely, 212750379 is an apocalyptic number.

12750379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750379 is an equidigital number, since it uses as much as digits as its factorization.

12750379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12750379 is about 3570.7672844922. The cubic root of 12750379 is about 233.6187511825.

The spelling of 12750379 in words is "twelve million, seven hundred fifty thousand, three hundred seventy-nine".