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12485 = 511227
BaseRepresentation
bin11000011000101
3122010102
43003011
5344420
6133445
751254
oct30305
918112
1012485
119420
127285
1358b5
14479b
153a75
hex30c5

12485 has 8 divisors (see below), whose sum is σ = 16416. Its totient is φ = 9040.

The previous prime is 12479. The next prime is 12487. The reversal of 12485 is 58421.

12485 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 not a de Polignac number, because 12485 - 26 = 12421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 6 and base 14.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487) 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, 59 + ... + 168.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

212485 is an apocalyptic number.

It is an amenable number.

12485 is a deficient number, since it is larger than the sum of its proper divisors (3931).

12485 is a wasteful number, since it uses less digits than its factorization.

12485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 320, while the sum is 20.

The square root of 12485 is about 111.7362966990. The cubic root of 12485 is about 23.1986572746.

The spelling of 12485 in words is "twelve thousand, four hundred eighty-five".

Divisors: 1 5 11 55 227 1135 2497 12485