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12788060 = 2254631381
BaseRepresentation
bin110000110010…
…000101011100
3220001200220212
4300302011130
511233204220
61134031552
7213460655
oct60620534
926050825
1012788060
11724494a
1243485b8
1328598cc
1419ac52c
1511c90c5
hexc3215c

12788060 has 24 divisors (see below), whose sum is σ = 26932416. Its totient is φ = 5100480.

The previous prime is 12788057. The next prime is 12788093. The reversal of 12788060 is 6088721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8570 + ... + 9950.

It is an arithmetic number, because the mean of its divisors is an integer number (1122184).

Almost surely, 212788060 is an apocalyptic number.

12788060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12788060 is an abundant number, since it is smaller than the sum of its proper divisors (14144356).

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

12788060 is a wasteful number, since it uses less digits than its factorization.

12788060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 12788060 is about 3576.0397089518. The cubic root of 12788060 is about 233.8486614880.

The spelling of 12788060 in words is "twelve million, seven hundred eighty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 463 926 1381 1852 2315 2762 4630 5524 6905 9260 13810 27620 639403 1278806 2557612 3197015 6394030 12788060