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12868626 = 2317791597
BaseRepresentation
bin110001000101…
…110000010010
3220012210102210
4301011300102
511243244001
61135452550
7214244601
oct61056022
926183383
1012868626
11729a431
124387156
132887494
1419cda38
1511e2dd6
hexc45c12

12868626 has 32 divisors (see below), whose sum is σ = 27613440. Its totient is φ = 3983616.

The previous prime is 12868613. The next prime is 12868651. The reversal of 12868626 is 62686821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7260 + ... + 8856.

It is an arithmetic number, because the mean of its divisors is an integer number (862920).

Almost surely, 212868626 is an apocalyptic number.

12868626 is an abundant number, since it is smaller than the sum of its proper divisors (14744814).

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

12868626 is a wasteful number, since it uses less digits than its factorization.

12868626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 55296, while the sum is 39.

The square root of 12868626 is about 3587.2867183987. The cubic root of 12868626 is about 234.3387234165.

The spelling of 12868626 in words is "twelve million, eight hundred sixty-eight thousand, six hundred twenty-six".

Divisors: 1 2 3 6 17 34 51 79 102 158 237 474 1343 1597 2686 3194 4029 4791 8058 9582 27149 54298 81447 126163 162894 252326 378489 756978 2144771 4289542 6434313 12868626