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12882393 = 321431377
BaseRepresentation
bin110001001001…
…000111011001
3220020111022200
4301021013121
511244214033
61140040413
7214332666
oct61110731
926214280
1012882393
1172a9807
124393109
132890824
1419d4a6d
1511e7013
hexc491d9

12882393 has 6 divisors (see below), whose sum is σ = 18607914. Its totient is φ = 8588256.

The previous prime is 12882349. The next prime is 12882427. The reversal of 12882393 is 39328821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 8649 = 3588^2 + 93^2 .

It is not a de Polignac number, because 12882393 - 28 = 12882137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12882193) 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 in 5 ways as a sum of consecutive naturals, for example, 715680 + ... + 715697.

It is an arithmetic number, because the mean of its divisors is an integer number (3101319).

Almost surely, 212882393 is an apocalyptic number.

It is an amenable number.

12882393 is a deficient number, since it is larger than the sum of its proper divisors (5725521).

12882393 is a wasteful number, since it uses less digits than its factorization.

12882393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431383 (or 1431380 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 12882393 is about 3589.2050651920. The cubic root of 12882393 is about 234.4222596965.

The spelling of 12882393 in words is "twelve million, eight hundred eighty-two thousand, three hundred ninety-three".

Divisors: 1 3 9 1431377 4294131 12882393