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13208201 = 173171353
BaseRepresentation
bin110010011000…
…101010001001
3220212001020122
4302120222021
511340130301
61151033025
7220160606
oct62305211
926761218
1013208201
117501576
12450b775
132975c06
141a7b6ad
15125d81b
hexc98a89

13208201 has 16 divisors (see below), whose sum is σ = 14681088. Its totient is φ = 11827200.

The previous prime is 13208159. The next prime is 13208203. The reversal of 13208201 is 10280231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13208201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13208201.

It is not an unprimeable number, because it can be changed into a prime (13208203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37241 + ... + 37593.

It is an arithmetic number, because the mean of its divisors is an integer number (917568).

Almost surely, 213208201 is an apocalyptic number.

It is an amenable number.

13208201 is a deficient number, since it is larger than the sum of its proper divisors (1472887).

13208201 is a wasteful number, since it uses less digits than its factorization.

13208201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 13208201 is about 3634.3088751508. The cubic root of 13208201 is about 236.3820836015.

Adding to 13208201 its reverse (10280231), we get a palindrome (23488432).

The spelling of 13208201 in words is "thirteen million, two hundred eight thousand, two hundred one".

Divisors: 1 17 31 71 353 527 1207 2201 6001 10943 25063 37417 186031 426071 776953 13208201