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12137070 = 2351136779
BaseRepresentation
bin101110010011…
…001001101110
3211211121221010
4232103021232
511101341240
61112050050
7205110021
oct56231156
924747833
1012137070
11693a840
124093926
13268c4ca
14187d1b8
1510eb280
hexb9326e

12137070 has 32 divisors (see below), whose sum is σ = 31777920. Its totient is φ = 2942240.

The previous prime is 12137039. The next prime is 12137087. The reversal of 12137070 is 7073121.

It is a congruent number.

It is an unprimeable number.

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, 18060 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (993060).

Almost surely, 212137070 is an apocalyptic number.

12137070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12137070 is an abundant number, since it is smaller than the sum of its proper divisors (19640850).

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

12137070 is a wasteful number, since it uses less digits than its factorization.

12137070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36800.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 12137070 is about 3483.8297891832. The cubic root of 12137070 is about 229.8112503118.

The spelling of 12137070 in words is "twelve million, one hundred thirty-seven thousand, seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 36779 73558 110337 183895 220674 367790 404569 551685 809138 1103370 1213707 2022845 2427414 4045690 6068535 12137070