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12826039 = 55723027
BaseRepresentation
bin110000111011…
…010110110111
3220010122000111
4300323112313
511240413124
61134523451
7214006462
oct60732667
926118014
1012826039
117270436
124366587
132870c95
1419bc2d9
1511d5494
hexc3b5b7

12826039 has 4 divisors (see below), whose sum is σ = 12849624. Its totient is φ = 12802456.

The previous prime is 12826031. The next prime is 12826067. The reversal of 12826039 is 93062821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12826039 - 23 = 12826031 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12826039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10957 + ... + 12070.

It is an arithmetic number, because the mean of its divisors is an integer number (3212406).

Almost surely, 212826039 is an apocalyptic number.

12826039 is a deficient number, since it is larger than the sum of its proper divisors (23585).

12826039 is an equidigital number, since it uses as much as digits as its factorization.

12826039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12826039 is about 3581.3459760263. The cubic root of 12826039 is about 234.0799334877.

The spelling of 12826039 in words is "twelve million, eight hundred twenty-six thousand, thirty-nine".

Divisors: 1 557 23027 12826039