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12829393 = 83154571
BaseRepresentation
bin110000111100…
…001011010001
3220010210121201
4300330023101
511241020033
61134551201
7214022323
oct60741321
926123551
1012829393
117272a05
124368501
132872675
1419bd613
1511d647d
hexc3c2d1

12829393 has 4 divisors (see below), whose sum is σ = 12984048. Its totient is φ = 12674740.

The previous prime is 12829391. The next prime is 12829451. The reversal of 12829393 is 39392821.

12829393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39392821 = 133030217.

It is a cyclic number.

It is not a de Polignac number, because 12829393 - 21 = 12829391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12829391) 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 3 ways as a sum of consecutive naturals, for example, 77203 + ... + 77368.

It is an arithmetic number, because the mean of its divisors is an integer number (3246012).

Almost surely, 212829393 is an apocalyptic number.

It is an amenable number.

12829393 is a deficient number, since it is larger than the sum of its proper divisors (154655).

12829393 is an equidigital number, since it uses as much as digits as its factorization.

12829393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154654.

The product of its digits is 23328, while the sum is 37.

The square root of 12829393 is about 3581.8142051201. The cubic root of 12829393 is about 234.1003356210.

The spelling of 12829393 in words is "twelve million, eight hundred twenty-nine thousand, three hundred ninety-three".

Divisors: 1 83 154571 12829393