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12889627 is a prime number
BaseRepresentation
bin110001001010…
…111000011011
3220020212020121
4301022320123
511244432002
61140134111
7214363042
oct61127033
926225217
1012889627
117304193
124397337
132893bca
1419d7559
1511e9237
hexc4ae1b

12889627 has 2 divisors, whose sum is σ = 12889628. Its totient is φ = 12889626.

The previous prime is 12889607. The next prime is 12889649. The reversal of 12889627 is 72698821.

12889627 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 is a cyclic number.

It is not a de Polignac number, because 12889627 - 215 = 12856859 is a prime.

It is a super-2 number, since 2×128896272 = 332284968398258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12889607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444813 + 6444814.

It is an arithmetic number, because the mean of its divisors is an integer number (6444814).

Almost surely, 212889627 is an apocalyptic number.

12889627 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889627 is an equidigital number, since it uses as much as digits as its factorization.

12889627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 12889627 is about 3590.2126677956. The cubic root of 12889627 is about 234.4661307719.

The spelling of 12889627 in words is "twelve million, eight hundred eighty-nine thousand, six hundred twenty-seven".