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12901169 is a prime number
BaseRepresentation
bin110001001101…
…101100110001
3220021110002002
4301031230301
511300314134
61140303345
7214441511
oct61155461
926243062
1012901169
117311926
1243a1b55
132899238
1419db841
1511ec87e
hexc4db31

12901169 has 2 divisors, whose sum is σ = 12901170. Its totient is φ = 12901168.

The previous prime is 12901157. The next prime is 12901193. The reversal of 12901169 is 96110921.

12901169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 3659569 = 3040^2 + 1913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12901169 is a prime.

It is a super-2 number, since 2×129011692 = 332880323133122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12901199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450584 + 6450585.

It is an arithmetic number, because the mean of its divisors is an integer number (6450585).

Almost surely, 212901169 is an apocalyptic number.

It is an amenable number.

12901169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12901169 is an equidigital number, since it uses as much as digits as its factorization.

12901169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 12901169 is about 3591.8197337840. The cubic root of 12901169 is about 234.5360940254.

The spelling of 12901169 in words is "twelve million, nine hundred one thousand, one hundred sixty-nine".