Search a number
-
+
12188325 = 352163997
BaseRepresentation
bin101110011111…
…101010100101
3211221020020110
4232133222211
511110011300
61113123233
7205412322
oct56375245
924836213
1012188325
1169752a6
1240b9519
1326a9936
141893b49
15110b550
hexb9faa5

12188325 has 24 divisors (see below), whose sum is σ = 20295328. Its totient is φ = 6454080.

The previous prime is 12188273. The next prime is 12188347. The reversal of 12188325 is 52388121.

12188325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12188325 - 28 = 12188069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12188292 and 12188301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11727 + ... + 12723.

Almost surely, 212188325 is an apocalyptic number.

12188325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12188325 is a deficient number, since it is larger than the sum of its proper divisors (8107003).

12188325 is a wasteful number, since it uses less digits than its factorization.

12188325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1168 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 12188325 is about 3491.1781678969. The cubic root of 12188325 is about 230.1342946024.

The spelling of 12188325 in words is "twelve million, one hundred eighty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 163 489 815 997 2445 2991 4075 4985 12225 14955 24925 74775 162511 487533 812555 2437665 4062775 12188325