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12663026 = 210361471
BaseRepresentation
bin110000010011…
…100011110010
3212211100101222
4300103203302
511220204101
61131225042
7212430305
oct60234362
925740358
1012663026
117169a12
1242a8182
132814a1c
141978b3c
1511a201b
hexc138f2

12663026 has 8 divisors (see below), whose sum is σ = 19179264. Its totient is φ = 6269940.

The previous prime is 12663023. The next prime is 12663029. The reversal of 12663026 is 62036621.

It is an interprime number because it is at equal distance from previous prime (12663023) and next prime (12663029).

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

It is a junction number, because it is equal to n+sod(n) for n = 12662986 and 12663004.

It is not an unprimeable number, because it can be changed into a prime (12663023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30530 + ... + 30941.

It is an arithmetic number, because the mean of its divisors is an integer number (2397408).

Almost surely, 212663026 is an apocalyptic number.

12663026 is a deficient number, since it is larger than the sum of its proper divisors (6516238).

12663026 is a wasteful number, since it uses less digits than its factorization.

12663026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61576.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 12663026 is about 3558.5145777417. The cubic root of 12663026 is about 233.0840198747.

Adding to 12663026 its reverse (62036621), we get a palindrome (74699647).

The spelling of 12663026 in words is "twelve million, six hundred sixty-three thousand, twenty-six".

Divisors: 1 2 103 206 61471 122942 6331513 12663026