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12992536 = 2343179211
BaseRepresentation
bin110001100100…
…000000011000
3220110002102001
4301210000120
511311230121
61142250344
7215302054
oct61440030
926402361
1012992536
117374537
1244269b4
1328cb9bb
141a22c64
151219991
hexc64018

12992536 has 32 divisors (see below), whose sum is σ = 25185600. Its totient is φ = 6279840.

The previous prime is 12992533. The next prime is 12992543. The reversal of 12992536 is 63529921.

It is a super-2 number, since 2×129925362 = 337611983422592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12992495 and 12992504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61471 + ... + 61681.

It is an arithmetic number, because the mean of its divisors is an integer number (787050).

Almost surely, 212992536 is an apocalyptic number.

It is an amenable number.

12992536 is a deficient number, since it is larger than the sum of its proper divisors (12193064).

12992536 is a wasteful number, since it uses less digits than its factorization.

12992536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 12992536 is about 3604.5160562827. The cubic root of 12992536 is about 235.0884592284.

It can be divided in two parts, 129 and 92536, that added together give a triangular number (92665 = T430).

The spelling of 12992536 in words is "twelve million, nine hundred ninety-two thousand, five hundred thirty-six".

Divisors: 1 2 4 8 43 86 172 179 211 344 358 422 716 844 1432 1688 7697 9073 15394 18146 30788 36292 37769 61576 72584 75538 151076 302152 1624067 3248134 6496268 12992536