Search a number
-
+
12427102 = 2171919237
BaseRepresentation
bin101111011001…
…111101011110
3212101100210001
4233121331132
511140131402
61122204514
7210425422
oct57317536
925340701
1012427102
117018736
1241b373a
13276151c
141916b82
151157187
hexbd9f5e

12427102 has 16 divisors (see below), whose sum is σ = 20777040. Its totient is φ = 5539968.

The previous prime is 12427097. The next prime is 12427117. The reversal of 12427102 is 20172421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12427102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8973 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (1298565).

Almost surely, 212427102 is an apocalyptic number.

12427102 is a deficient number, since it is larger than the sum of its proper divisors (8349938).

12427102 is a wasteful number, since it uses less digits than its factorization.

12427102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12427102 is about 3525.2094973207. The cubic root of 12427102 is about 231.6274117594.

Adding to 12427102 its reverse (20172421), we get a palindrome (32599523).

The spelling of 12427102 in words is "twelve million, four hundred twenty-seven thousand, one hundred two".

Divisors: 1 2 17 19 34 38 323 646 19237 38474 327029 365503 654058 731006 6213551 12427102