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12412705 = 524110301
BaseRepresentation
bin101111010110…
…011100100001
3212100122000211
4233112130201
511134201310
61122014121
7210335434
oct57263441
925318024
1012412705
117008938
1241a7341
132757ac6
14191181b
151152c8a
hexbd6721

12412705 has 8 divisors (see below), whose sum is σ = 14958504. Its totient is φ = 9888000.

The previous prime is 12412693. The next prime is 12412739. The reversal of 12412705 is 50721421.

It is a happy number.

12412705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5740816 + 6671889 = 2396^2 + 2583^2 .

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

It is not a de Polignac number, because 12412705 - 215 = 12379937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 3946 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (1869813).

Almost surely, 212412705 is an apocalyptic number.

It is an amenable number.

12412705 is a deficient number, since it is larger than the sum of its proper divisors (2545799).

12412705 is a wasteful number, since it uses less digits than its factorization.

12412705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10547.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12412705 is about 3523.1668992541. The cubic root of 12412705 is about 231.5379291522.

The spelling of 12412705 in words is "twelve million, four hundred twelve thousand, seven hundred five".

Divisors: 1 5 241 1205 10301 51505 2482541 12412705