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12628788 = 2234632273
BaseRepresentation
bin110000001011…
…001100110100
3212202121102220
4300023030310
511213110123
61130402340
7212225424
oct60131464
925677386
1012628788
117146217
1242903b0
132802273
14196a484
151196ce3
hexc0b334

12628788 has 24 divisors (see below), whose sum is σ = 29543808. Its totient is φ = 4198656.

The previous prime is 12628783. The next prime is 12628801. The reversal of 12628788 is 88782621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628783) 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, 4420 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (1230992).

Almost surely, 212628788 is an apocalyptic number.

It is an amenable number.

12628788 is an abundant number, since it is smaller than the sum of its proper divisors (16915020).

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

12628788 is a wasteful number, since it uses less digits than its factorization.

12628788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2741 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 12628788 is about 3553.7006064102. The cubic root of 12628788 is about 232.8737611829.

The spelling of 12628788 in words is "twelve million, six hundred twenty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 463 926 1389 1852 2273 2778 4546 5556 6819 9092 13638 27276 1052399 2104798 3157197 4209596 6314394 12628788