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BaseRepresentation
bin101110110000…
…001100010000
3212001200002112
4232300030100
511114143031
61114404452
7206113553
oct56601420
925050075
1012256016
116a11143
124130728
1327016a6
1418b069a
15112162b
hexbb0310

12256016 has 20 divisors (see below), whose sum is σ = 23826972. Its totient is φ = 6107136.

The previous prime is 12256001. The next prime is 12256019. The reversal of 12256016 is 61065221.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 4857616 = 2720^2 + 2204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12255982 and 12256000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256 + ... + 6528.

Almost surely, 212256016 is an apocalyptic number.

12256016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12256016 is a deficient number, since it is larger than the sum of its proper divisors (11570956).

12256016 is a wasteful number, since it uses less digits than its factorization.

12256016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12256016 is about 3500.8593230805. The cubic root of 12256016 is about 230.5595450050.

The spelling of 12256016 in words is "twelve million, two hundred fifty-six thousand, sixteen".