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12770001 = 33472963
BaseRepresentation
bin110000101101…
…101011010001
3220000210011000
4300231223101
511232120001
61133412213
7213354216
oct60555321
926023130
1012770001
117232322
12433a069
13285161a
1419a5b0d
1511c3a86
hexc2dad1

12770001 has 8 divisors (see below), whose sum is σ = 18918560. Its totient is φ = 8513316.

The previous prime is 12769993. The next prime is 12770053. The reversal of 12770001 is 10007721.

12770001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12770001 - 23 = 12769993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12770101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236455 + ... + 236508.

It is an arithmetic number, because the mean of its divisors is an integer number (2364820).

Almost surely, 212770001 is an apocalyptic number.

It is an amenable number.

12770001 is a deficient number, since it is larger than the sum of its proper divisors (6148559).

12770001 is an equidigital number, since it uses as much as digits as its factorization.

12770001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472972 (or 472966 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 12770001 is about 3573.5138169594. The cubic root of 12770001 is about 233.7385310891.

Adding to 12770001 its reverse (10007721), we get a palindrome (22777722).

The spelling of 12770001 in words is "twelve million, seven hundred seventy thousand, one".

Divisors: 1 3 9 27 472963 1418889 4256667 12770001