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13002791 is a prime number
BaseRepresentation
bin110001100110…
…100000100111
3220110121110212
4301212200213
511312042131
61142410035
7215344004
oct61464047
926417425
1013002791
11738120a
12443091b
132903579
141a268ab
15121ca2b
hexc66827

13002791 has 2 divisors, whose sum is σ = 13002792. Its totient is φ = 13002790.

The previous prime is 13002779. The next prime is 13002793. The reversal of 13002791 is 19720031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13002791 is a prime.

Together with 13002793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13002793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501395 + 6501396.

It is an arithmetic number, because the mean of its divisors is an integer number (6501396).

Almost surely, 213002791 is an apocalyptic number.

13002791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13002791 is an equidigital number, since it uses as much as digits as its factorization.

13002791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 13002791 is about 3605.9382967544. The cubic root of 13002791 is about 235.1502946837.

The spelling of 13002791 in words is "thirteen million, two thousand, seven hundred ninety-one".