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12803393 is a prime number
BaseRepresentation
bin110000110101…
…110101000001
3220002110221202
4300311311001
511234202033
61134230545
7213553451
oct60656501
926073852
1012803393
117255419
124355455
132863895
1419b3d61
1511cd8e8
hexc35d41

12803393 has 2 divisors, whose sum is σ = 12803394. Its totient is φ = 12803392.

The previous prime is 12803347. The next prime is 12803407. The reversal of 12803393 is 39330821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12794929 + 8464 = 3577^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 12803393 - 28 = 12803137 is a prime.

It is not a weakly prime, because it can be changed into another prime (12806393) 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, 6401696 + 6401697.

It is an arithmetic number, because the mean of its divisors is an integer number (6401697).

Almost surely, 212803393 is an apocalyptic number.

It is an amenable number.

12803393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803393 is an equidigital number, since it uses as much as digits as its factorization.

12803393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 12803393 is about 3578.1829187452. The cubic root of 12803393 is about 233.9420863814.

The spelling of 12803393 in words is "twelve million, eight hundred three thousand, three hundred ninety-three".