Base | Representation |
---|---|
bin | 110001000111… |
… | …001111101001 |
3 | 220020002210211 |
4 | 301013033221 |
5 | 11243442404 |
6 | 1135541121 |
7 | 214301440 |
oct | 61071751 |
9 | 26202724 |
10 | 12874729 |
11 | 72a3a7a |
12 | 438a7a1 |
13 | 288a1aa |
14 | 19d1d57 |
15 | 11e4b04 |
hex | c473e9 |
12874729 has 8 divisors (see below), whose sum is σ = 15579648. Its totient is φ = 10386240.
The previous prime is 12874717. The next prime is 12874751. The reversal of 12874729 is 92747821.
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 12874729 - 211 = 12872681 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12874691 and 12874700.
It is not an unprimeable number, because it can be changed into a prime (12874769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53977 + ... + 54214.
It is an arithmetic number, because the mean of its divisors is an integer number (1947456).
Almost surely, 212874729 is an apocalyptic number.
It is an amenable number.
12874729 is a deficient number, since it is larger than the sum of its proper divisors (2704919).
12874729 is a wasteful number, since it uses less digits than its factorization.
12874729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108215.
The product of its digits is 56448, while the sum is 40.
The square root of 12874729 is about 3588.1372604737. The cubic root of 12874729 is about 234.3757629368.
The spelling of 12874729 in words is "twelve million, eight hundred seventy-four thousand, seven hundred twenty-nine".
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