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12668510 = 251266851
BaseRepresentation
bin110000010100…
…111001011110
3212211121221002
4300110321132
511220343020
61131310302
7212452301
oct60247136
925747832
1012668510
117173048
1242ab392
13281737a
14197ab38
1511a3975
hexc14e5e

12668510 has 8 divisors (see below), whose sum is σ = 22803336. Its totient is φ = 5067400.

The previous prime is 12668507. The next prime is 12668533. The reversal of 12668510 is 1586621.

It is a happy number.

12668510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126685102 = 320982291240200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633416 + ... + 633435.

It is an arithmetic number, because the mean of its divisors is an integer number (2850417).

Almost surely, 212668510 is an apocalyptic number.

12668510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12668510 is a deficient number, since it is larger than the sum of its proper divisors (10134826).

12668510 is a wasteful number, since it uses less digits than its factorization.

12668510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266858.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12668510 is about 3559.2850405664. The cubic root of 12668510 is about 233.1176623939.

The spelling of 12668510 in words is "twelve million, six hundred sixty-eight thousand, five hundred ten".

Divisors: 1 2 5 10 1266851 2533702 6334255 12668510