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13812363 = 3618947
BaseRepresentation
bin110100101100…
…001010001011
3221222202000000
4310230022023
512013443423
61212014043
7225255165
oct64541213
927882000
1013812363
117884484
124761323
132b27bc6
141b97935
15132c843
hexd2c28b

13812363 has 14 divisors (see below), whose sum is σ = 20710164. Its totient is φ = 9207756.

The previous prime is 13812361. The next prime is 13812419. The reversal of 13812363 is 36321831.

It is a happy number.

It is not a de Polignac number, because 13812363 - 21 = 13812361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13812361) 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 13 ways as a sum of consecutive naturals, for example, 8745 + ... + 10202.

Almost surely, 213812363 is an apocalyptic number.

13812363 is a deficient number, since it is larger than the sum of its proper divisors (6897801).

13812363 is an frugal number, since it uses more digits than its factorization.

13812363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965 (or 18950 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13812363 is about 3716.4987555494. The cubic root of 13812363 is about 239.9326373446.

The spelling of 13812363 in words is "thirteen million, eight hundred twelve thousand, three hundred sixty-three".

Divisors: 1 3 9 27 81 243 729 18947 56841 170523 511569 1534707 4604121 13812363