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13017397 is a prime number
BaseRepresentation
bin110001101010…
…000100110101
3220111100111211
4301222010311
511313024042
61143001421
7215434411
oct61520465
926440454
1013017397
117391188
124439271
13290a103
141a2bd41
151222017
hexc6a135

13017397 has 2 divisors, whose sum is σ = 13017398. Its totient is φ = 13017396.

The previous prime is 13017349. The next prime is 13017419. The reversal of 13017397 is 79371031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13003236 + 14161 = 3606^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 13017397 - 27 = 13017269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13017097) 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, 6508698 + 6508699.

It is an arithmetic number, because the mean of its divisors is an integer number (6508699).

Almost surely, 213017397 is an apocalyptic number.

It is an amenable number.

13017397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13017397 is an equidigital number, since it uses as much as digits as its factorization.

13017397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13017397 is about 3607.9629987016. The cubic root of 13017397 is about 235.2383096331.

The spelling of 13017397 in words is "thirteen million, seventeen thousand, three hundred ninety-seven".