Search a number
-
+
12330403 = 47262349
BaseRepresentation
bin101111000010…
…010110100011
3212012110010121
4233002112203
511124033103
61120141111
7206543461
oct57022643
925173117
1012330403
116a62018
124167797
1327294c7
1418cd831
1511386bd
hexbc25a3

12330403 has 4 divisors (see below), whose sum is σ = 12592800. Its totient is φ = 12068008.

The previous prime is 12330401. The next prime is 12330419. The reversal of 12330403 is 30403321.

12330403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30403321 = 132338717.

It is a cyclic number.

It is not a de Polignac number, because 12330403 - 21 = 12330401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12330401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131128 + ... + 131221.

It is an arithmetic number, because the mean of its divisors is an integer number (3148200).

Almost surely, 212330403 is an apocalyptic number.

12330403 is a deficient number, since it is larger than the sum of its proper divisors (262397).

12330403 is an equidigital number, since it uses as much as digits as its factorization.

12330403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262396.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 12330403 is about 3511.4673571030. The cubic root of 12330403 is about 231.0250592805.

Adding to 12330403 its reverse (30403321), we get a palindrome (42733724).

The spelling of 12330403 in words is "twelve million, three hundred thirty thousand, four hundred three".

Divisors: 1 47 262349 12330403