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13201201 = 131039859
BaseRepresentation
bin110010010110…
…111100110001
3220211200122101
4302112330301
511334414301
61150540401
7220131316
oct62267461
926750571
1013201201
1174a7292
124507701
132972980
141a78d0d
15125b701
hexc96f31

13201201 has 8 divisors (see below), whose sum is σ = 14356160. Its totient is φ = 12066192.

The previous prime is 13201189. The next prime is 13201217. The reversal of 13201201 is 10210231.

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

It is a cyclic number.

It is not a de Polignac number, because 13201201 - 213 = 13193009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13201261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591 + ... + 6268.

It is an arithmetic number, because the mean of its divisors is an integer number (1794520).

Almost surely, 213201201 is an apocalyptic number.

It is an amenable number.

13201201 is a deficient number, since it is larger than the sum of its proper divisors (1154959).

13201201 is a wasteful number, since it uses less digits than its factorization.

13201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13201201 is about 3633.3457033429. The cubic root of 13201201 is about 236.3403174547.

Adding to 13201201 its reverse (10210231), we get a palindrome (23411432).

The spelling of 13201201 in words is "thirteen million, two hundred one thousand, two hundred one".

Divisors: 1 13 103 1339 9859 128167 1015477 13201201