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13436 = 223359
BaseRepresentation
bin11010001111100
3200102122
43101330
5412221
6142112
754113
oct32174
920378
1013436
11a105
127938
136167
144c7a
153eab
hex347c

13436 has 6 divisors (see below), whose sum is σ = 23520. Its totient is φ = 6716.

The previous prime is 13421. The next prime is 13441. The reversal of 13436 is 63431.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

13436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1676 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (3920).

213436 is an apocalyptic number.

It is an amenable number.

13436 is a deficient number, since it is larger than the sum of its proper divisors (10084).

13436 is a wasteful number, since it uses less digits than its factorization.

13436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363 (or 3361 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 13436 is about 115.9137610467. The cubic root of 13436 is about 23.7733288778.

Adding to 13436 its reverse (63431), we get a palindrome (76867).

The spelling of 13436 in words is "thirteen thousand, four hundred thirty-six".

Divisors: 1 2 4 3359 6718 13436