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12886249 = 37595903
BaseRepresentation
bin110001001010…
…000011101001
3220020200121111
4301022003221
511244324444
61140110321
7214350145
oct61120351
926220544
1012886249
1173016a2
1243953a1
1328924cc
1419d6225
1511e8234
hexc4a0e9

12886249 has 8 divisors (see below), whose sum is σ = 13461120. Its totient is φ = 12323376.

The previous prime is 12886241. The next prime is 12886253. The reversal of 12886249 is 94268821.

12886249 is digitally balanced in base 3, 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 cyclic number.

It is not a de Polignac number, because 12886249 - 23 = 12886241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886241) 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, 769 + ... + 5134.

It is an arithmetic number, because the mean of its divisors is an integer number (1682640).

Almost surely, 212886249 is an apocalyptic number.

It is an amenable number.

12886249 is a deficient number, since it is larger than the sum of its proper divisors (574871).

12886249 is an equidigital number, since it uses as much as digits as its factorization.

12886249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999.

The product of its digits is 55296, while the sum is 40.

The square root of 12886249 is about 3589.7421913001. The cubic root of 12886249 is about 234.4456467090.

The spelling of 12886249 in words is "twelve million, eight hundred eighty-six thousand, two hundred forty-nine".

Divisors: 1 37 59 2183 5903 218411 348277 12886249