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12387066 = 232064511
BaseRepresentation
bin101111010000…
…001011111010
3212022022212020
4233100023322
511132341231
61121255310
7210200616
oct57201372
925268766
1012387066
116aa064a
124194536
132749233
141906346
15114a396
hexbd02fa

12387066 has 8 divisors (see below), whose sum is σ = 24774144. Its totient is φ = 4129020.

The previous prime is 12387061. The next prime is 12387071. The reversal of 12387066 is 66078321.

It is an interprime number because it is at equal distance from previous prime (12387061) and next prime (12387071).

It is a sphenic number, since it is the product of 3 distinct primes.

12387066 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12387061) by changing a digit.

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, 1032250 + ... + 1032261.

It is an arithmetic number, because the mean of its divisors is an integer number (3096768).

Almost surely, 212387066 is an apocalyptic number.

12387066 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.

12387066 is a wasteful number, since it uses less digits than its factorization.

12387066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064516.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12387066 is about 3519.5263885926. The cubic root of 12387066 is about 231.3784019322.

The spelling of 12387066 in words is "twelve million, three hundred eighty-seven thousand, sixty-six".

Divisors: 1 2 3 6 2064511 4129022 6193533 12387066