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12848680 = 2351324709
BaseRepresentation
bin110001000000…
…111000101000
3220011210002001
4301000320220
511242124210
61135220344
7214132465
oct61007050
926153061
1012848680
117286449
1243776b4
13287b390
1419c666c
1511dc03a
hexc40e28

12848680 has 32 divisors (see below), whose sum is σ = 31134600. Its totient is φ = 4743936.

The previous prime is 12848677. The next prime is 12848681. The reversal of 12848680 is 8684821.

It can be written as a sum of positive squares in 4 ways, for example, as 9108324 + 3740356 = 3018^2 + 1934^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12848681) 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, 11835 + ... + 12874.

Almost surely, 212848680 is an apocalyptic number.

12848680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12848680 is an abundant number, since it is smaller than the sum of its proper divisors (18285920).

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

12848680 is a wasteful number, since it uses less digits than its factorization.

12848680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24733 (or 24729 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 12848680 is about 3584.5055447021. The cubic root of 12848680 is about 234.2175880501.

The spelling of 12848680 in words is "twelve million, eight hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 24709 49418 98836 123545 197672 247090 321217 494180 642434 988360 1284868 1606085 2569736 3212170 6424340 12848680