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12818035 = 531412017
BaseRepresentation
bin110000111001…
…011001110011
3220010020001001
4300321121303
511240134120
61134422431
7213644236
oct60713163
926106031
1012818035
11726541a
124361a17
13286a449
1419b941d
1511d2e0a
hexc39673

12818035 has 16 divisors (see below), whose sum is σ = 16273152. Its totient is φ = 9676800.

The previous prime is 12817979. The next prime is 12818053. The reversal of 12818035 is 53081821.

It is not a de Polignac number, because 12818035 - 27 = 12817907 is a prime.

It is a super-2 number, since 2×128180352 = 328604042522450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12817994 and 12818012.

It is an unprimeable number.

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, 5347 + ... + 7363.

It is an arithmetic number, because the mean of its divisors is an integer number (1017072).

Almost surely, 212818035 is an apocalyptic number.

12818035 is a deficient number, since it is larger than the sum of its proper divisors (3455117).

12818035 is a wasteful number, since it uses less digits than its factorization.

12818035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12818035 is about 3580.2283446730. The cubic root of 12818035 is about 234.0312313734.

Adding to 12818035 its reverse (53081821), we get a palindrome (65899856).

It can be divided in two parts, 1281 and 8035, that added together give a triangular number (9316 = T136).

The spelling of 12818035 in words is "twelve million, eight hundred eighteen thousand, thirty-five".

Divisors: 1 5 31 41 155 205 1271 2017 6355 10085 62527 82697 312635 413485 2563607 12818035