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12385427 = 26714637
BaseRepresentation
bin101111001111…
…110010010011
3212022020121112
4233033302103
511132313202
61121243535
7210163055
oct57176223
925266545
1012385427
116a9a39a
1241935ab
132748572
1419058d5
151149b52
hexbcfc93

12385427 has 4 divisors (see below), whose sum is σ = 12392736. Its totient is φ = 12378120.

The previous prime is 12385391. The next prime is 12385433. The reversal of 12385427 is 72458321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12385427 - 214 = 12369043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12385393 and 12385402.

It is not an unprimeable number, because it can be changed into a prime (12385447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (3098184).

Almost surely, 212385427 is an apocalyptic number.

12385427 is a deficient number, since it is larger than the sum of its proper divisors (7309).

12385427 is an equidigital number, since it uses as much as digits as its factorization.

12385427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308.

The product of its digits is 13440, while the sum is 32.

The square root of 12385427 is about 3519.2935370611. The cubic root of 12385427 is about 231.3681965043.

The spelling of 12385427 in words is "twelve million, three hundred eighty-five thousand, four hundred twenty-seven".

Divisors: 1 2671 4637 12385427