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13636 = 227487
BaseRepresentation
bin11010101000100
3200201001
43111010
5414021
6143044
754520
oct32504
920631
1013636
11a277
127a84
13628c
144d80
154091
hex3544

13636 has 12 divisors (see below), whose sum is σ = 27328. Its totient is φ = 5832.

The previous prime is 13633. The next prime is 13649. The reversal of 13636 is 63631.

It is a happy number.

13636 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 271.

213636 is an apocalyptic number.

It is an amenable number.

13636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13664).

13636 is a wasteful number, since it uses less digits than its factorization.

13636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 13636 is about 116.7732846160. The cubic root of 13636 is about 23.8907067503.

It can be divided in two parts, 1363 and 6, that added together give a square (1369 = 372).

The spelling of 13636 in words is "thirteen thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 487 974 1948 3409 6818 13636