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13996 = 223499
BaseRepresentation
bin11011010101100
3201012101
43122230
5421441
6144444
755543
oct33254
921171
1013996
11a574
128124
1364a8
14515a
154231
hex36ac

13996 has 6 divisors (see below), whose sum is σ = 24500. Its totient is φ = 6996.

The previous prime is 13967. The next prime is 13997. The reversal of 13996 is 69931.

It is a happy number.

It is a plaindrome in base 6 and base 16.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746 + ... + 1753.

213996 is an apocalyptic number.

It is an amenable number.

13996 is a deficient number, since it is larger than the sum of its proper divisors (10504).

13996 is a wasteful number, since it uses less digits than its factorization.

13996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3501 counting only the distinct ones).

The product of its digits is 1458, while the sum is 28.

The square root of 13996 is about 118.3046913694. The cubic root of 13996 is about 24.0991270495.

The spelling of 13996 in words is "thirteen thousand, nine hundred ninety-six".

Divisors: 1 2 4 3499 6998 13996