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12960224 = 252317609
BaseRepresentation
bin110001011100…
…000111100000
3220101110002022
4301130013200
511304211344
61141441012
7215105624
oct61340740
926343068
1012960224
117352232
124410168
1328ba094
141a15184
1512100ee
hexc5c1e0

12960224 has 24 divisors (see below), whose sum is σ = 26626320. Its totient is φ = 6198016.

The previous prime is 12960217. The next prime is 12960251. The reversal of 12960224 is 42206921.

It is a super-2 number, since 2×129602242 = 335934812260352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12960193 and 12960202.

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, 8069 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (1109430).

Almost surely, 212960224 is an apocalyptic number.

It is an amenable number.

12960224 is an abundant number, since it is smaller than the sum of its proper divisors (13666096).

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

12960224 is a wasteful number, since it uses less digits than its factorization.

12960224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17642 (or 17634 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12960224 is about 3600.0311109767. The cubic root of 12960224 is about 234.8934117499.

The spelling of 12960224 in words is "twelve million, nine hundred sixty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 17609 35218 70436 140872 281744 405007 563488 810014 1620028 3240056 6480112 12960224