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12606949 is a prime number
BaseRepresentation
bin110000000101…
…110111100101
3212201111111001
4300011313211
511211410244
61130113301
7212104645
oct60056745
925644431
1012606949
117130873
12427b831
1327c5344
141962525
1511905d4
hexc05de5

12606949 has 2 divisors, whose sum is σ = 12606950. Its totient is φ = 12606948.

The previous prime is 12606941. The next prime is 12606961. The reversal of 12606949 is 94960621.

12606949 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., 11950849 + 656100 = 3457^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 12606949 - 23 = 12606941 is a prime.

It is a super-5 number, since 5×126069495 (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12606941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303474 + 6303475.

It is an arithmetic number, because the mean of its divisors is an integer number (6303475).

Almost surely, 212606949 is an apocalyptic number.

It is an amenable number.

12606949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606949 is an equidigital number, since it uses as much as digits as its factorization.

12606949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 12606949 is about 3550.6265644249. The cubic root of 12606949 is about 232.7394473047.

The spelling of 12606949 in words is "twelve million, six hundred six thousand, nine hundred forty-nine".