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13442113 is a prime number
BaseRepresentation
bin110011010001…
…110001000001
3221021221010001
4303101301001
511420121423
61200040001
7222153556
oct63216101
927257101
1013442113
117651293
124603001
132a28519
141adca2d
1512a7cad
hexcd1c41

13442113 has 2 divisors, whose sum is σ = 13442114. Its totient is φ = 13442112.

The previous prime is 13442111. The next prime is 13442119. The reversal of 13442113 is 31124431.

13442113 = 25922 + 25932.

13442113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6723649 + 6718464 = 2593^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442113 - 21 = 13442111 is a prime.

Together with 13442111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13442111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721056 + 6721057.

It is an arithmetic number, because the mean of its divisors is an integer number (6721057).

Almost surely, 213442113 is an apocalyptic number.

13442113 is the 2593-rd centered square number.

It is an amenable number.

13442113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442113 is an equidigital number, since it uses as much as digits as its factorization.

13442113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 13442113 is about 3666.3487286400. The cubic root of 13442113 is about 237.7693372861.

Adding to 13442113 its reverse (31124431), we get a palindrome (44566544).

The spelling of 13442113 in words is "thirteen million, four hundred forty-two thousand, one hundred thirteen".