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12790910 = 25113312
BaseRepresentation
bin110000110010…
…110001111110
3220001211211102
4300302301332
511233302120
61134053102
7213502166
oct60626176
926054742
1012790910
117247000
12434a192
13285acb2
1419ad5a6
1511c9d75
hexc32c7e

12790910 has 48 divisors (see below), whose sum is σ = 26167536. Its totient is φ = 4501200.

The previous prime is 12790901. The next prime is 12790913. The reversal of 12790910 is 1909721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412595 + ... + 412625.

It is an arithmetic number, because the mean of its divisors is an integer number (545157).

Almost surely, 212790910 is an apocalyptic number.

12790910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12790910 is an abundant number, since it is smaller than the sum of its proper divisors (13376626).

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

12790910 is an equidigital number, since it uses as much as digits as its factorization.

12790910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 12790910 is about 3576.4381722602. The cubic root of 12790910 is about 233.8660323580.

The spelling of 12790910 in words is "twelve million, seven hundred ninety thousand, nine hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 121 155 242 310 341 605 682 961 1210 1331 1705 1922 2662 3410 3751 4805 6655 7502 9610 10571 13310 18755 21142 37510 41261 52855 82522 105710 116281 206305 232562 412610 581405 1162810 1279091 2558182 6395455 12790910