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12966469 is a prime number
BaseRepresentation
bin110001011101…
…101001000101
3220101202122121
4301131221011
511304411334
61141525541
7215133055
oct61355105
926352577
1012966469
11735699a
1244138b1
1328bcb89
141a17565
151211db4
hexc5da45

12966469 has 2 divisors, whose sum is σ = 12966470. Its totient is φ = 12966468.

The previous prime is 12966449. The next prime is 12966491. The reversal of 12966469 is 96466921.

It is a happy number.

12966469 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., 12852225 + 114244 = 3585^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 12966469 - 29 = 12965957 is a prime.

It is a super-2 number, since 2×129664692 = 336258636655922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12966439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483234 + 6483235.

It is an arithmetic number, because the mean of its divisors is an integer number (6483235).

Almost surely, 212966469 is an apocalyptic number.

It is an amenable number.

12966469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12966469 is an equidigital number, since it uses as much as digits as its factorization.

12966469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 12966469 is about 3600.8983601318. The cubic root of 12966469 is about 234.9311341896.

The spelling of 12966469 in words is "twelve million, nine hundred sixty-six thousand, four hundred sixty-nine".