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13601 = 72967
BaseRepresentation
bin11010100100001
3200122202
43110201
5413401
6142545
754440
oct32441
920582
1013601
11a245
127a55
136263
144d57
15406b
hex3521

13601 has 8 divisors (see below), whose sum is σ = 16320. Its totient is φ = 11088.

The previous prime is 13597. The next prime is 13613. The reversal of 13601 is 10631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13601 - 22 = 13597 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 236.

It is an arithmetic number, because the mean of its divisors is an integer number (2040).

213601 is an apocalyptic number.

It is an amenable number.

13601 is a deficient number, since it is larger than the sum of its proper divisors (2719).

13601 is an equidigital number, since it uses as much as digits as its factorization.

13601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13601 is about 116.6233252827. The cubic root of 13601 is about 23.8702488650.

The spelling of 13601 in words is "thirteen thousand, six hundred one".

Divisors: 1 7 29 67 203 469 1943 13601