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12999359 is a prime number
BaseRepresentation
bin110001100101…
…101010111111
3220110102202202
4301211222333
511311434414
61142342115
7215331002
oct61455277
926412682
1012999359
11737967a
12442a93b
132901b39
141a25539
15121b9de
hexc65abf

12999359 has 2 divisors, whose sum is σ = 12999360. Its totient is φ = 12999358.

The previous prime is 12999331. The next prime is 12999361. The reversal of 12999359 is 95399921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12999359 is a prime.

Together with 12999361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12999379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6499679 + 6499680.

It is an arithmetic number, because the mean of its divisors is an integer number (6499680).

Almost surely, 212999359 is an apocalyptic number.

12999359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12999359 is an equidigital number, since it uses as much as digits as its factorization.

12999359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 47.

The square root of 12999359 is about 3605.4623836618. The cubic root of 12999359 is about 235.1296040790.

The spelling of 12999359 in words is "twelve million, nine hundred ninety-nine thousand, three hundred fifty-nine".