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12425838 = 232070973
BaseRepresentation
bin101111011001…
…101001101110
3212101022001020
4233121221232
511140111323
61122155010
7210421635
oct57315156
925338036
1012425838
117017797
1241b2a66
132760a89
14191651c
151156ae3
hexbd9a6e

12425838 has 8 divisors (see below), whose sum is σ = 24851688. Its totient is φ = 4141944.

The previous prime is 12425789. The next prime is 12425857. The reversal of 12425838 is 83852421.

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

12425838 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12425799 and 12425808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035481 + ... + 1035492.

It is an arithmetic number, because the mean of its divisors is an integer number (3106461).

Almost surely, 212425838 is an apocalyptic number.

12425838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12425838 is a wasteful number, since it uses less digits than its factorization.

12425838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070978.

The product of its digits is 15360, while the sum is 33.

The square root of 12425838 is about 3525.0302126365. The cubic root of 12425838 is about 231.6195583066.

The spelling of 12425838 in words is "twelve million, four hundred twenty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 2070973 4141946 6212919 12425838