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12663039 = 313930367
BaseRepresentation
bin110000010011…
…100011111111
3212211100102110
4300103203333
511220204124
61131225103
7212430324
oct60234377
925740373
1012663039
117169a24
1242a8193
132814a2c
141978b4b
1511a2029
hexc138ff

12663039 has 8 divisors (see below), whose sum is σ = 17006080. Its totient is φ = 8381016.

The previous prime is 12663029. The next prime is 12663073. The reversal of 12663039 is 93036621.

It is a happy number.

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

It is not a de Polignac number, because 12663039 - 24 = 12663023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12662997 and 12663015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14767 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760).

Almost surely, 212663039 is an apocalyptic number.

12663039 is a deficient number, since it is larger than the sum of its proper divisors (4343041).

12663039 is a wasteful number, since it uses less digits than its factorization.

12663039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30509.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 12663039 is about 3558.5164043461. The cubic root of 12663039 is about 233.0840996368.

The spelling of 12663039 in words is "twelve million, six hundred sixty-three thousand, thirty-nine".

Divisors: 1 3 139 417 30367 91101 4221013 12663039