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12926225 = 5213311283
BaseRepresentation
bin110001010011…
…110100010001
3220022201110002
4301103310101
511302114400
61141015345
7214604534
oct61236421
926281402
1012926225
117329734
1243b4555
1328a7770
141a06a1b
151204ed5
hexc53d11

12926225 has 24 divisors (see below), whose sum is σ = 17832192. Its totient is φ = 9230400.

The previous prime is 12926219. The next prime is 12926227. The reversal of 12926225 is 52262921.

It is not a de Polignac number, because 12926225 - 210 = 12925201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12926227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9434 + ... + 10716.

It is an arithmetic number, because the mean of its divisors is an integer number (743008).

Almost surely, 212926225 is an apocalyptic number.

It is an amenable number.

12926225 is a deficient number, since it is larger than the sum of its proper divisors (4905967).

12926225 is a wasteful number, since it uses less digits than its factorization.

12926225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1332 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 12926225 is about 3595.3059675082. The cubic root of 12926225 is about 234.6878305619.

The spelling of 12926225 in words is "twelve million, nine hundred twenty-six thousand, two hundred twenty-five".

Divisors: 1 5 13 25 31 65 155 325 403 775 1283 2015 6415 10075 16679 32075 39773 83395 198865 416975 517049 994325 2585245 12926225