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13223029 is a prime number
BaseRepresentation
bin110010011100…
…010001110101
3220212210120211
4302130101311
511341114104
61151225421
7220252051
oct62342165
926783524
1013223029
117511726
124518271
13297c8a1
141a82c61
151262e04
hexc9c475

13223029 has 2 divisors, whose sum is σ = 13223030. Its totient is φ = 13223028.

The previous prime is 13223003. The next prime is 13223039. The reversal of 13223029 is 92032231.

13223029 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., 12460900 + 762129 = 3530^2 + 873^2 .

It is an emirp because it is prime and its reverse (92032231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13223029 - 27 = 13222901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611514 + 6611515.

It is an arithmetic number, because the mean of its divisors is an integer number (6611515).

Almost surely, 213223029 is an apocalyptic number.

It is an amenable number.

13223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223029 is an equidigital number, since it uses as much as digits as its factorization.

13223029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13223029 is about 3636.3483056495. The cubic root of 13223029 is about 236.4705075211.

The spelling of 13223029 in words is "thirteen million, two hundred twenty-three thousand, twenty-nine".