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12831063 = 37976299
BaseRepresentation
bin110000111100…
…100101010111
3220010212220120
4300330211113
511241043223
61135003023
7214030230
oct60744527
926125816
1012831063
117274193
124369473
13287335b
1419c0087
1511d6be3
hexc3c957

12831063 has 16 divisors (see below), whose sum is σ = 19756800. Its totient is φ = 7255296.

The previous prime is 12831059. The next prime is 12831067. The reversal of 12831063 is 36013821.

It is an interprime number because it is at equal distance from previous prime (12831059) and next prime (12831067).

It is not a de Polignac number, because 12831063 - 22 = 12831059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12831067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1113 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (1234800).

Almost surely, 212831063 is an apocalyptic number.

12831063 is a deficient number, since it is larger than the sum of its proper divisors (6925737).

12831063 is an equidigital number, since it uses as much as digits as its factorization.

12831063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12831063 is about 3582.0473196204. The cubic root of 12831063 is about 234.1104927812.

Adding to 12831063 its reverse (36013821), we get a palindrome (48844884).

It can be divided in two parts, 1283 and 1063, that added together give a triangular number (2346 = T68).

The spelling of 12831063 in words is "twelve million, eight hundred thirty-one thousand, sixty-three".

Divisors: 1 3 7 21 97 291 679 2037 6299 18897 44093 132279 611003 1833009 4277021 12831063