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13214137 is a prime number
BaseRepresentation
bin110010011010…
…000110111001
3220212100101111
4302122012321
511340323022
61151120321
7220214116
oct62320671
926770344
1013214137
117505a82
1245130a1
132978821
141a7d90d
151260477
hexc9a1b9

13214137 has 2 divisors, whose sum is σ = 13214138. Its totient is φ = 13214136.

The previous prime is 13214099. The next prime is 13214141. The reversal of 13214137 is 73141231.

13214137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 2903616 = 3211^2 + 1704^2 .

It is an emirp because it is prime and its reverse (73141231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13214137 - 27 = 13214009 is a prime.

It is a super-2 number, since 2×132141372 = 349226833309538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13214147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607068 + 6607069.

It is an arithmetic number, because the mean of its divisors is an integer number (6607069).

Almost surely, 213214137 is an apocalyptic number.

It is an amenable number.

13214137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13214137 is an equidigital number, since it uses as much as digits as its factorization.

13214137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 13214137 is about 3635.1254448781. The cubic root of 13214137 is about 236.4174897328.

Adding to 13214137 its reverse (73141231), we get a palindrome (86355368).

The spelling of 13214137 in words is "thirteen million, two hundred fourteen thousand, one hundred thirty-seven".