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12818106 = 2327214533
BaseRepresentation
bin110000111001…
…011010111010
3220010020010200
4300321122322
511240134411
61134423030
7213644400
oct60713272
926106120
1012818106
117265484
124361a76
13286a4a2
1419b9470
1511d2e56
hexc396ba

12818106 has 36 divisors (see below), whose sum is σ = 32309082. Its totient is φ = 3662064.

The previous prime is 12818101. The next prime is 12818111. The reversal of 12818106 is 60181821.

It is an interprime number because it is at equal distance from previous prime (12818101) and next prime (12818111).

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 2223081 = 3255^2 + 1491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12818106.

It is not an unprimeable number, because it can be changed into a prime (12818101) 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 17 ways as a sum of consecutive naturals, for example, 6385 + ... + 8148.

Almost surely, 212818106 is an apocalyptic number.

12818106 is an abundant number, since it is smaller than the sum of its proper divisors (19490976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12818106 is a wasteful number, since it uses less digits than its factorization.

12818106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14555 (or 14545 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 12818106 is about 3580.2382602279. The cubic root of 12818106 is about 234.0316634777.

Adding to 12818106 its reverse (60181821), we get a palindrome (72999927).

The spelling of 12818106 in words is "twelve million, eight hundred eighteen thousand, one hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 14533 29066 43599 87198 101731 130797 203462 261594 305193 610386 712117 915579 1424234 1831158 2136351 4272702 6409053 12818106