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13211323 is a prime number
BaseRepresentation
bin110010011001…
…011010111011
3220212012112021
4302121122323
511340230243
61151055311
7220202656
oct62313273
926765467
1013211323
117503954
124511537
132977468
141a7c89d
15125e6ed
hexc996bb

13211323 has 2 divisors, whose sum is σ = 13211324. Its totient is φ = 13211322.

The previous prime is 13211311. The next prime is 13211347. The reversal of 13211323 is 32311231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13211323 - 29 = 13210811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13211297 and 13211306.

It is not a weakly prime, because it can be changed into another prime (13211123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605661 + 6605662.

It is an arithmetic number, because the mean of its divisors is an integer number (6605662).

Almost surely, 213211323 is an apocalyptic number.

13211323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211323 is an equidigital number, since it uses as much as digits as its factorization.

13211323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 16.

The square root of 13211323 is about 3634.7383674757. The cubic root of 13211323 is about 236.4007065446.

Adding to 13211323 its reverse (32311231), we get a palindrome (45522554).

The spelling of 13211323 in words is "thirteen million, two hundred eleven thousand, three hundred twenty-three".