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13113413 is a prime number
BaseRepresentation
bin110010000001…
…100001000101
3220200020012222
4302001201011
511324112123
61145022125
7216314345
oct62014105
926606188
1013113413
117447335
124484945
132941a21
141a54d25
1512406c8
hexc81845

13113413 has 2 divisors, whose sum is σ = 13113414. Its totient is φ = 13113412.

The previous prime is 13113407. The next prime is 13113431. The reversal of 13113413 is 31431131.

Together with next prime (13113431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 2137444 = 3313^2 + 1462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13113413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13113391 and 13113400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13110413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556706 + 6556707.

It is an arithmetic number, because the mean of its divisors is an integer number (6556707).

Almost surely, 213113413 is an apocalyptic number.

It is an amenable number.

13113413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113413 is an equidigital number, since it uses as much as digits as its factorization.

13113413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 13113413 is about 3621.2446755225. The cubic root of 13113413 is about 235.8152640772.

Adding to 13113413 its reverse (31431131), we get a palindrome (44544544).

The spelling of 13113413 in words is "thirteen million, one hundred thirteen thousand, four hundred thirteen".