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12634648 = 2313121487
BaseRepresentation
bin110000001100…
…101000011000
3212202220110221
4300030220120
511213302043
61130445424
7212251465
oct60145030
925686427
1012634648
11714a664
124293874
132804b30
14196c66c
1511988ed
hexc0ca18

12634648 has 16 divisors (see below), whose sum is σ = 25512480. Its totient is φ = 5831328.

The previous prime is 12634607. The next prime is 12634651. The reversal of 12634648 is 84643621.

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, 60640 + ... + 60847.

It is an arithmetic number, because the mean of its divisors is an integer number (1594530).

Almost surely, 212634648 is an apocalyptic number.

It is an amenable number.

12634648 is an abundant number, since it is smaller than the sum of its proper divisors (12877832).

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

12634648 is a wasteful number, since it uses less digits than its factorization.

12634648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121506 (or 121502 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 12634648 is about 3554.5250034287. The cubic root of 12634648 is about 232.9097749113.

The spelling of 12634648 in words is "twelve million, six hundred thirty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 121487 242974 485948 971896 1579331 3158662 6317324 12634648