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12816935 = 52563387
BaseRepresentation
bin110000111001…
…001000100111
3220010011112022
4300321020213
511240120220
61134413355
7213641105
oct60711047
926104468
1012816935
11726460a
12436125b
132869ab1
1419b8c75
1511d2925
hexc39227

12816935 has 4 divisors (see below), whose sum is σ = 15380328. Its totient is φ = 10253544.

The previous prime is 12816931. The next prime is 12816949. The reversal of 12816935 is 53961821.

12816935 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12816935 - 22 = 12816931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12816895 and 12816904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816931) 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, 1281689 + ... + 1281698.

It is an arithmetic number, because the mean of its divisors is an integer number (3845082).

Almost surely, 212816935 is an apocalyptic number.

12816935 is a deficient number, since it is larger than the sum of its proper divisors (2563393).

12816935 is an equidigital number, since it uses as much as digits as its factorization.

12816935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563392.

The product of its digits is 12960, while the sum is 35.

The square root of 12816935 is about 3580.0747198906. The cubic root of 12816935 is about 234.0245365948.

It can be divided in two parts, 12816 and 935, that multiplied together give a triangular number (11982960 = T4895).

The spelling of 12816935 in words is "twelve million, eight hundred sixteen thousand, nine hundred thirty-five".

Divisors: 1 5 2563387 12816935