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12613019 is a prime number
BaseRepresentation
bin110000000111…
…010110011011
3212201210210212
4300013112123
511212104034
61130201335
7212131436
oct60072633
925653725
1012613019
117135391
12428324b
1327c8033
14196481d
1511922ce
hexc0759b

12613019 has 2 divisors, whose sum is σ = 12613020. Its totient is φ = 12613018.

The previous prime is 12612973. The next prime is 12613021. The reversal of 12613019 is 91031621.

It is a happy number.

12613019 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12613019 is a prime.

It is a super-2 number, since 2×126130192 = 318176496588722, which contains 22 as substring.

Together with 12613021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12612985 and 12613003.

It is not a weakly prime, because it can be changed into another prime (12613049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306509 + 6306510.

It is an arithmetic number, because the mean of its divisors is an integer number (6306510).

Almost surely, 212613019 is an apocalyptic number.

12613019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613019 is an equidigital number, since it uses as much as digits as its factorization.

12613019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12613019 is about 3551.4812402714. The cubic root of 12613019 is about 232.7767944792.

The spelling of 12613019 in words is "twelve million, six hundred thirteen thousand, nineteen".