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13020893 is a prime number
BaseRepresentation
bin110001101010…
…111011011101
3220111112022022
4301222323131
511313132033
61143025525
7215450534
oct61527335
926445268
1013020893
117393876
12443b2a5
13290b892
141a2d31b
151223098
hexc6aedd

13020893 has 2 divisors, whose sum is σ = 13020894. Its totient is φ = 13020892.

The previous prime is 13020883. The next prime is 13020901. The reversal of 13020893 is 39802031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 4418404 = 2933^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020893 - 212 = 13016797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510446 + 6510447.

It is an arithmetic number, because the mean of its divisors is an integer number (6510447).

Almost surely, 213020893 is an apocalyptic number.

It is an amenable number.

13020893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020893 is an equidigital number, since it uses as much as digits as its factorization.

13020893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13020893 is about 3608.4474500815. The cubic root of 13020893 is about 235.2593665700.

The spelling of 13020893 in words is "thirteen million, twenty thousand, eight hundred ninety-three".