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12793471 = 13793383
BaseRepresentation
bin110000110011…
…011001111111
3220001222100021
4300303121333
511233342341
61134113011
7213512515
oct60633177
926058307
1012793471
117248a19
12434b767
13285c202
1419b04b5
1511ca9d1
hexc3367f

12793471 has 4 divisors (see below), whose sum is σ = 12886992. Its totient is φ = 12699952.

The previous prime is 12793463. The next prime is 12793477. The reversal of 12793471 is 17439721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12793471 - 23 = 12793463 is a prime.

It is a super-3 number, since 3×127934713 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793477) 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, 46555 + ... + 46828.

It is an arithmetic number, because the mean of its divisors is an integer number (3221748).

Almost surely, 212793471 is an apocalyptic number.

12793471 is a deficient number, since it is larger than the sum of its proper divisors (93521).

12793471 is an equidigital number, since it uses as much as digits as its factorization.

12793471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93520.

The product of its digits is 10584, while the sum is 34.

The square root of 12793471 is about 3576.7961921250. The cubic root of 12793471 is about 233.8816395598.

The spelling of 12793471 in words is "twelve million, seven hundred ninety-three thousand, four hundred seventy-one".

Divisors: 1 137 93383 12793471