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12071132 = 224370181
BaseRepresentation
bin101110000011…
…000011011100
3211201021110222
4232003003130
511042234012
61110420512
7204413543
oct56030334
924637428
1012071132
1168a5247
124061738
1326684a8
14186315a
1510d6972
hexb830dc

12071132 has 12 divisors (see below), whose sum is σ = 21616056. Its totient is φ = 5895120.

The previous prime is 12071131. The next prime is 12071149. The reversal of 12071132 is 23117021.

It is a super-2 number, since 2×120711322 = 291424455522848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12071132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34919 + ... + 35262.

It is an arithmetic number, because the mean of its divisors is an integer number (1801338).

Almost surely, 212071132 is an apocalyptic number.

It is an amenable number.

12071132 is a deficient number, since it is larger than the sum of its proper divisors (9544924).

12071132 is a wasteful number, since it uses less digits than its factorization.

12071132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70228 (or 70226 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12071132 is about 3474.3534650349. The cubic root of 12071132 is about 229.3943232489.

Adding to 12071132 its reverse (23117021), we get a palindrome (35188153).

The spelling of 12071132 in words is "twelve million, seventy-one thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 70181 140362 280724 3017783 6035566 12071132