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12885652 = 2213383647
BaseRepresentation
bin110001001001…
…111010010100
3220020122210101
4301021322110
511244320102
61140103444
7214345333
oct61117224
926218711
1012885652
1173011aa
124394b84
132892160
1419d5d1a
1511e7e87
hexc49e94

12885652 has 24 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 5922528.

The previous prime is 12885623. The next prime is 12885671. The reversal of 12885652 is 25658821.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19593 + ... + 20239.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 212885652 is an apocalyptic number.

It is an amenable number.

12885652 is a deficient number, since it is larger than the sum of its proper divisors (11499884).

12885652 is a wasteful number, since it uses less digits than its factorization.

12885652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 12885652 is about 3589.6590367332. The cubic root of 12885652 is about 234.4420261516.

The spelling of 12885652 in words is "twelve million, eight hundred eighty-five thousand, six hundred fifty-two".

Divisors: 1 2 4 13 26 52 383 647 766 1294 1532 2588 4979 8411 9958 16822 19916 33644 247801 495602 991204 3221413 6442826 12885652