Search a number
12470 = 252943
BaseRepresentation
bin11000010110110
3122002212
43002312
5344340
6133422
751233
oct30266
918085
1012470
119407
127272
1358a3
14478a
153a65
hex30b6

12470 has 16 divisors (see below), whose sum is σ = 23760. Its totient is φ = 4704.

The previous prime is 12457. The next prime is 12473. The reversal of 12470 is 7421.

Adding to 12470 its reverse (7421), we get a palindrome (19891).

It is a happy number.

12470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

12470 is an undulating number in base 12.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473) by changing a digit.

12470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 311.

It is an arithmetic number, because the mean of its divisors is an integer number (1485).

212470 is an apocalyptic number.

12470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12470 is a deficient number, since it is larger than the sum of its proper divisors (11290).

12470 is a wasteful number, since it uses less digits than its factorization.

12470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12470 is about 111.6691542011. The cubic root of 12470 is about 23.1893629398.

The spelling of 12470 in words is "twelve thousand, four hundred seventy", and thus it is an iban number.