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12650969 is a prime number
BaseRepresentation
bin110000010000…
…100111011001
3212210201212102
4300100213121
511214312334
61131053145
7212350202
oct60204731
925721772
1012650969
117160951
1242a11b5
13280c3a6
1419745a9
15119d67e
hexc109d9

12650969 has 2 divisors, whose sum is σ = 12650970. Its totient is φ = 12650968.

The previous prime is 12650951. The next prime is 12650977. The reversal of 12650969 is 96905621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9535744 + 3115225 = 3088^2 + 1765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12650969 is a prime.

It is a super-2 number, since 2×126509692 = 320094033277922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12650999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325484 + 6325485.

It is an arithmetic number, because the mean of its divisors is an integer number (6325485).

Almost surely, 212650969 is an apocalyptic number.

It is an amenable number.

12650969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650969 is an equidigital number, since it uses as much as digits as its factorization.

12650969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 12650969 is about 3556.8200685444. The cubic root of 12650969 is about 233.0100200152.

The spelling of 12650969 in words is "twelve million, six hundred fifty thousand, nine hundred sixty-nine".