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12297107 = 54722481
BaseRepresentation
bin101110111010…
…001110010011
3212010202110102
4232322032103
511122001412
61115323015
7206344424
oct56721623
925122412
1012297107
116a39aa9
12415046b
1327172c4
1418c164b
15112d8c2
hexbba393

12297107 has 4 divisors (see below), whose sum is σ = 12320136. Its totient is φ = 12274080.

The previous prime is 12297083. The next prime is 12297143. The reversal of 12297107 is 70179221.

12297107 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12297107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12297107.

It is not an unprimeable number, because it can be changed into a prime (12297407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (3080034).

Almost surely, 212297107 is an apocalyptic number.

12297107 is a deficient number, since it is larger than the sum of its proper divisors (23029).

12297107 is an equidigital number, since it uses as much as digits as its factorization.

12297107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12297107 is about 3506.7231142478. The cubic root of 12297107 is about 230.8169248402.

The spelling of 12297107 in words is "twelve million, two hundred ninety-seven thousand, one hundred seven".

Divisors: 1 547 22481 12297107