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12589057 = 13968389
BaseRepresentation
bin110000000001…
…100000000001
3212200120221101
4300001200001
511210322212
61125454401
7212001535
oct60014001
925616841
1012589057
117119388
124271401
1327ba160
141959bc5
15118a157
hexc01801

12589057 has 4 divisors (see below), whose sum is σ = 13557460. Its totient is φ = 11620656.

The previous prime is 12589051. The next prime is 12589063. The reversal of 12589057 is 75098521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75098521 = 193138891.

It is an interprime number because it is at equal distance from previous prime (12589051) and next prime (12589063).

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 6713281 = 2424^2 + 2591^2 .

It is a cyclic number.

It is not a de Polignac number, because 12589057 - 211 = 12587009 is a prime.

It is a super-2 number, since 2×125890572 = 316968712298498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12589051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484182 + ... + 484207.

It is an arithmetic number, because the mean of its divisors is an integer number (3389365).

Almost surely, 212589057 is an apocalyptic number.

12589057 is the 2049-th hex number.

It is an amenable number.

12589057 is a deficient number, since it is larger than the sum of its proper divisors (968403).

12589057 is an equidigital number, since it uses as much as digits as its factorization.

12589057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968402.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 12589057 is about 3548.1061145349. The cubic root of 12589057 is about 232.6292925612.

The spelling of 12589057 in words is "twelve million, five hundred eighty-nine thousand, fifty-seven".

Divisors: 1 13 968389 12589057