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12901043 is a prime number
BaseRepresentation
bin110001001101…
…101010110011
3220021102220102
4301031222303
511300313133
61140303015
7214441241
oct61155263
926242812
1012901043
117311821
1243a1a6b
13289916c
1419db791
1511ec7e8
hexc4dab3

12901043 has 2 divisors, whose sum is σ = 12901044. Its totient is φ = 12901042.

The previous prime is 12901037. The next prime is 12901081. The reversal of 12901043 is 34010921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12901043 - 214 = 12884659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12901093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450521 + 6450522.

It is an arithmetic number, because the mean of its divisors is an integer number (6450522).

Almost surely, 212901043 is an apocalyptic number.

12901043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12901043 is an equidigital number, since it uses as much as digits as its factorization.

12901043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12901043 is about 3591.8021938854. The cubic root of 12901043 is about 234.5353304863.

Adding to 12901043 its reverse (34010921), we get a palindrome (46911964).

The spelling of 12901043 in words is "twelve million, nine hundred one thousand, forty-three".