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12076660 = 225603833
BaseRepresentation
bin101110000100…
…011001110100
3211201120001201
4232010121310
511042423120
61110502244
7204435631
oct56043164
924646051
1012076660
1168a9412
124064984
13266ab6b
141865188
1510d840a
hexb84674

12076660 has 12 divisors (see below), whose sum is σ = 25361028. Its totient is φ = 4830656.

The previous prime is 12076643. The next prime is 12076663. The reversal of 12076660 is 6667021.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 8549776 = 1878^2 + 2924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12076663) 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, 301897 + ... + 301936.

It is an arithmetic number, because the mean of its divisors is an integer number (2113419).

Almost surely, 212076660 is an apocalyptic number.

12076660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12076660 is an abundant number, since it is smaller than the sum of its proper divisors (13284368).

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

12076660 is a wasteful number, since it uses less digits than its factorization.

12076660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603842 (or 603840 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12076660 is about 3475.1489176724. The cubic root of 12076660 is about 229.4293351073.

The spelling of 12076660 in words is "twelve million, seventy-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 603833 1207666 2415332 3019165 6038330 12076660