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12207027 = 37311863
BaseRepresentation
bin101110100100…
…001110110011
3211222011220010
4232210032303
511111111102
61113350003
7205521000
oct56441663
924864803
1012207027
116988358
124108303
1326b52c1
14189a8a7
151111d6c
hexba43b3

12207027 has 16 divisors (see below), whose sum is σ = 18982400. Its totient is φ = 6974856.

The previous prime is 12207023. The next prime is 12207029. The reversal of 12207027 is 72070221.

It is not a de Polignac number, because 12207027 - 22 = 12207023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12206994 and 12207012.

It is not an unprimeable number, because it can be changed into a prime (12207023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1186400).

Almost surely, 212207027 is an apocalyptic number.

12207027 is a deficient number, since it is larger than the sum of its proper divisors (6775373).

12207027 is an equidigital number, since it uses as much as digits as its factorization.

12207027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887 (or 11873 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 12207027 is about 3493.8556066329. The cubic root of 12207027 is about 230.2519419435.

Adding to 12207027 its reverse (72070221), we get a palindrome (84277248).

The spelling of 12207027 in words is "twelve million, two hundred seven thousand, twenty-seven".

Divisors: 1 3 7 21 49 147 343 1029 11863 35589 83041 249123 581287 1743861 4069009 12207027