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12528814 = 214942043
BaseRepresentation
bin101111110010…
…110010101110
3212120112022011
4233302302232
511201410224
61124311434
7211331104
oct57626256
925515264
1012528814
1170880a1
12424257a
1327988cc
141941c74
151177394
hexbf2cae

12528814 has 8 divisors (see below), whose sum is σ = 18919800. Its totient is φ = 6222216.

The previous prime is 12528793. The next prime is 12528823. The reversal of 12528814 is 41882521.

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

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, 20724 + ... + 21319.

It is an arithmetic number, because the mean of its divisors is an integer number (2364975).

Almost surely, 212528814 is an apocalyptic number.

12528814 is a deficient number, since it is larger than the sum of its proper divisors (6390986).

12528814 is a wasteful number, since it uses less digits than its factorization.

12528814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42194.

The product of its digits is 5120, while the sum is 31.

The square root of 12528814 is about 3539.6064753020. The cubic root of 12528814 is about 232.2576284909.

The spelling of 12528814 in words is "twelve million, five hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 149 298 42043 84086 6264407 12528814