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12047012 = 226197509
BaseRepresentation
bin101101111101…
…001010100100
3211200001101122
4231331022210
511041001022
61110113112
7204253325
oct55751244
924601348
1012047012
11688910a
12404b798
13265a513
14185844c
1510ce742
hexb7d2a4

12047012 has 24 divisors (see below), whose sum is σ = 21691320. Its totient is φ = 5852160.

The previous prime is 12046997. The next prime is 12047029. The reversal of 12047012 is 21074021.

It can be written as a sum of positive squares in 4 ways, for example, as 649636 + 11397376 = 806^2 + 3376^2 .

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 7 ways as a sum of consecutive naturals, for example, 23414 + ... + 23922.

It is an arithmetic number, because the mean of its divisors is an integer number (903805).

Almost surely, 212047012 is an apocalyptic number.

It is an amenable number.

12047012 is a deficient number, since it is larger than the sum of its proper divisors (9644308).

12047012 is a wasteful number, since it uses less digits than its factorization.

12047012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12047012 is about 3470.8805799105. The cubic root of 12047012 is about 229.2414328535.

It can be divided in two parts, 1204 and 7012, that multiplied together give a palindrome (8442448).

The spelling of 12047012 in words is "twelve million, forty-seven thousand, twelve".

Divisors: 1 2 4 61 97 122 194 244 388 509 1018 2036 5917 11834 23668 31049 49373 62098 98746 124196 197492 3011753 6023506 12047012