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12513023 is a prime number
BaseRepresentation
bin101111101110…
…111011111111
3212112201122022
4233232323333
511200404043
61124110355
7211234055
oct57567377
925481568
1012513023
117077246
1242353bb
132791673
14193a1d5
151172868
hexbeeeff

12513023 has 2 divisors, whose sum is σ = 12513024. Its totient is φ = 12513022.

The previous prime is 12513019. The next prime is 12513029. The reversal of 12513023 is 32031521.

It is a weak prime.

It is an emirp because it is prime and its reverse (32031521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12513023 - 22 = 12513019 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12512992 and 12513010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256511 + 6256512.

It is an arithmetic number, because the mean of its divisors is an integer number (6256512).

Almost surely, 212513023 is an apocalyptic number.

12513023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513023 is an equidigital number, since it uses as much as digits as its factorization.

12513023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12513023 is about 3537.3751568077. The cubic root of 12513023 is about 232.1600102558.

Adding to 12513023 its reverse (32031521), we get a palindrome (44544544).

The spelling of 12513023 in words is "twelve million, five hundred thirteen thousand, twenty-three".