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12297018 = 2317313889
BaseRepresentation
bin101110111010…
…001100111010
3212010202100010
4232322030322
511122001033
61115322350
7206344236
oct56721472
925122303
1012297018
116a39a28
1241503b6
132717256
1418c15c6
15112d863
hexbba33a

12297018 has 32 divisors (see below), whose sum is σ = 26887680. Its totient is φ = 3732480.

The previous prime is 12296993. The next prime is 12297023. The reversal of 12297018 is 81079221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (840240).

Almost surely, 212297018 is an apocalyptic number.

12297018 is an abundant number, since it is smaller than the sum of its proper divisors (14590662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12297018 is a wasteful number, since it uses less digits than its factorization.

12297018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12297018 is about 3506.7104243151. The cubic root of 12297018 is about 230.8163679950.

The spelling of 12297018 in words is "twelve million, two hundred ninety-seven thousand, eighteen".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 527 1054 1581 3162 3889 7778 11667 23334 66113 120559 132226 198339 241118 361677 396678 723354 2049503 4099006 6148509 12297018