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12813034 = 2134611069
BaseRepresentation
bin110000111000…
…001011101010
3220002222011211
4300320023222
511240004114
61134343334
7213623533
oct60701352
926088154
1012813034
117261693
12435ab4a
1328680a0
1419b768a
1511d16c4
hexc382ea

12813034 has 16 divisors (see below), whose sum is σ = 20762280. Its totient is φ = 5895360.

The previous prime is 12813023. The next prime is 12813037. The reversal of 12813034 is 43031821.

It can be written as a sum of positive squares in 4 ways, for example, as 7546009 + 5267025 = 2747^2 + 2295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12812996 and 12813014.

It is not an unprimeable number, because it can be changed into a prime (12813037) 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 7 ways as a sum of consecutive naturals, for example, 11452 + ... + 12520.

Almost surely, 212813034 is an apocalyptic number.

12813034 is a deficient number, since it is larger than the sum of its proper divisors (7949246).

12813034 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (12813033) it forms an eRAP, since the sums of their prime factors are consecutive (1544 and 1545).

12813034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12813034 is about 3579.5298573975. The cubic root of 12813034 is about 234.0007913870. Note that the first 3 decimals are identical.

Adding to 12813034 its reverse (43031821), we get a palindrome (55844855).

It can be divided in two parts, 128130 and 34, that added together give a square (128164 = 3582).

The spelling of 12813034 in words is "twelve million, eight hundred thirteen thousand, thirty-four".

Divisors: 1 2 13 26 461 922 1069 2138 5993 11986 13897 27794 492809 985618 6406517 12813034