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12317732 = 227439919
BaseRepresentation
bin101110111111…
…010000100100
3212011210202022
4232333100210
511123131412
61120002312
7206461520
oct56772044
925153668
1012317732
116a53549
124160398
1327237cb
1418c8d80
151134a72
hexbbf424

12317732 has 12 divisors (see below), whose sum is σ = 24635520. Its totient is φ = 5279016.

The previous prime is 12317729. The next prime is 12317743. The reversal of 12317732 is 23771321.

12317732 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 219932 + ... + 219987.

It is an arithmetic number, because the mean of its divisors is an integer number (2052960).

Almost surely, 212317732 is an apocalyptic number.

It is an amenable number.

12317732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12317732 is a wasteful number, since it uses less digits than its factorization.

12317732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439930 (or 439928 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 12317732 is about 3509.6626618523. The cubic root of 12317732 is about 230.9458966388.

The spelling of 12317732 in words is "twelve million, three hundred seventeen thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 28 439919 879838 1759676 3079433 6158866 12317732