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12630684 = 22311103929
BaseRepresentation
bin110000001011…
…101010011100
3212202201001010
4300023222130
511213140214
61130415220
7212234103
oct60135234
925681033
1012630684
117147690
124291510
1328030a1
14196b03a
151197659
hexc0ba9c

12630684 has 48 divisors (see below), whose sum is σ = 32497920. Its totient is φ = 3786240.

The previous prime is 12630647. The next prime is 12630701. The reversal of 12630684 is 48603621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13132 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 212630684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12630684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16248960).

12630684 is an abundant number, since it is smaller than the sum of its proper divisors (19867236).

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

12630684 is a wasteful number, since it uses less digits than its factorization.

12630684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12630684 is about 3553.9673605704. The cubic root of 12630684 is about 232.8854146252.

The spelling of 12630684 in words is "twelve million, six hundred thirty thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 412 618 929 1133 1236 1858 2266 2787 3399 3716 4532 5574 6798 10219 11148 13596 20438 30657 40876 61314 95687 122628 191374 287061 382748 574122 1052557 1148244 2105114 3157671 4210228 6315342 12630684