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12312959 is a prime number
BaseRepresentation
bin101110111110…
…000101111111
3212011120012112
4232332011333
511123003314
61115524235
7206441561
oct56760577
925146175
1012312959
116a4a9aa
12415967b
132721599
1418c7331
15113343e
hexbbe17f

12312959 has 2 divisors, whose sum is σ = 12312960. Its totient is φ = 12312958.

The previous prime is 12312943. The next prime is 12312973. The reversal of 12312959 is 95921321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312959 - 24 = 12312943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156479 + 6156480.

It is an arithmetic number, because the mean of its divisors is an integer number (6156480).

Almost surely, 212312959 is an apocalyptic number.

12312959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312959 is an equidigital number, since it uses as much as digits as its factorization.

12312959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 12312959 is about 3508.9826160869. The cubic root of 12312959 is about 230.9160630305.

The spelling of 12312959 in words is "twelve million, three hundred twelve thousand, nine hundred fifty-nine".