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13211201 is a prime number
BaseRepresentation
bin110010011001…
…011001000001
3220212012100202
4302121121001
511340224301
61151054545
7220202423
oct62313101
926765322
1013211201
117503853
124511455
1329773a3
141a7c813
15125e66b
hexc99641

13211201 has 2 divisors, whose sum is σ = 13211202. Its totient is φ = 13211200.

The previous prime is 13211179. The next prime is 13211207. The reversal of 13211201 is 10211231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 1752976 = 3385^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 13211201 - 210 = 13210177 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13211207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605600 + 6605601.

It is an arithmetic number, because the mean of its divisors is an integer number (6605601).

Almost surely, 213211201 is an apocalyptic number.

It is an amenable number.

13211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211201 is an equidigital number, since it uses as much as digits as its factorization.

13211201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13211201 is about 3634.7215849360. The cubic root of 13211201 is about 236.3999788613.

Adding to 13211201 its reverse (10211231), we get a palindrome (23422432).

The spelling of 13211201 in words is "thirteen million, two hundred eleven thousand, two hundred one".