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13123727 is a prime number
BaseRepresentation
bin110010000100…
…000010001111
3220200202100222
4302010002033
511324424402
61145141555
7216356411
oct62040217
926622328
1013123727
117454061
12448a8bb
132946626
141a589b1
1512437a2
hexc8408f

13123727 has 2 divisors, whose sum is σ = 13123728. Its totient is φ = 13123726.

The previous prime is 13123697. The next prime is 13123739. The reversal of 13123727 is 72732131.

It is a strong prime.

It is an emirp because it is prime and its reverse (72732131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13123727 - 216 = 13058191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123696 and 13123705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561863 + 6561864.

It is an arithmetic number, because the mean of its divisors is an integer number (6561864).

Almost surely, 213123727 is an apocalyptic number.

13123727 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123727 is an equidigital number, since it uses as much as digits as its factorization.

13123727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 26.

The square root of 13123727 is about 3622.6684915957. The cubic root of 13123727 is about 235.8770725795.

Adding to 13123727 its reverse (72732131), we get a palindrome (85855858).

The spelling of 13123727 in words is "thirteen million, one hundred twenty-three thousand, seven hundred twenty-seven".