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12134447 = 131754907
BaseRepresentation
bin101110010010…
…100000101111
3211211111022222
4232102200233
511101300242
61112025555
7205066253
oct56224057
924744288
1012134447
116938876
1240922bb
13268b260
14187c263
1510ea5d2
hexb9282f

12134447 has 8 divisors (see below), whose sum is σ = 13836816. Its totient is φ = 10541952.

The previous prime is 12134431. The next prime is 12134449. The reversal of 12134447 is 74443121.

12134447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12134447 - 24 = 12134431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27233 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (1729602).

Almost surely, 212134447 is an apocalyptic number.

12134447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12134447 is a deficient number, since it is larger than the sum of its proper divisors (1702369).

12134447 is a wasteful number, since it uses less digits than its factorization.

12134447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54937.

The product of its digits is 2688, while the sum is 26.

The square root of 12134447 is about 3483.4533153180. The cubic root of 12134447 is about 229.7946939178.

Adding to 12134447 its reverse (74443121), we get a palindrome (86577568).

The spelling of 12134447 in words is "twelve million, one hundred thirty-four thousand, four hundred forty-seven".

Divisors: 1 13 17 221 54907 713791 933419 12134447