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12307404 = 2235032039
BaseRepresentation
bin101110111100…
…101111001100
3212011021120210
4232330233030
511122314104
61115442420
7206416434
oct56745714
925137523
1012307404
116a4680a
124156410
13271bbb5
1418c52c4
151131989
hexbbcbcc

12307404 has 24 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 4092304.

The previous prime is 12307391. The next prime is 12307409. The reversal of 12307404 is 40470321.

It is not an unprimeable number, because it can be changed into a prime (12307409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5017 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1199520).

Almost surely, 212307404 is an apocalyptic number.

It is an amenable number.

12307404 is an abundant number, since it is smaller than the sum of its proper divisors (16481076).

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

12307404 is a wasteful number, since it uses less digits than its factorization.

12307404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12307404 is about 3508.1909868193. The cubic root of 12307404 is about 230.8813318263.

Adding to 12307404 its reverse (40470321), we get a palindrome (52777725).

The spelling of 12307404 in words is "twelve million, three hundred seven thousand, four hundred four".

Divisors: 1 2 3 4 6 12 503 1006 1509 2012 2039 3018 4078 6036 6117 8156 12234 24468 1025617 2051234 3076851 4102468 6153702 12307404