Base | Representation |
---|---|
bin | 101110111101… |
… | …101100011101 |
3 | 212011110222000 |
4 | 232331230131 |
5 | 11122430300 |
6 | 1115512513 |
7 | 206434035 |
oct | 56755435 |
9 | 25143860 |
10 | 12311325 |
11 | 6a49754 |
12 | 4158739 |
13 | 2720910 |
14 | 18c68c5 |
15 | 1132c00 |
hex | bbdb1d |
12311325 has 96 divisors (see below), whose sum is σ = 25831680. Its totient is φ = 5702400.
The previous prime is 12311311. The next prime is 12311333. The reversal of 12311325 is 52311321.
12311325 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 12311325 - 26 = 12311261 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12311298 and 12311307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201795 + ... + 201855.
It is an arithmetic number, because the mean of its divisors is an integer number (269080).
Almost surely, 212311325 is an apocalyptic number.
12311325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12311325 is an abundant number, since it is smaller than the sum of its proper divisors (13520355).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311325 is a wasteful number, since it uses less digits than its factorization.
12311325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 105 counting only the distinct ones).
The product of its digits is 180, while the sum is 18.
The square root of 12311325 is about 3508.7497773424. The cubic root of 12311325 is about 230.9058479518.
Adding to 12311325 its reverse (52311321), we get a palindrome (64622646).
It can be divided in two parts, 1231 and 1325, that added together give a triangular number (2556 = T71).
The spelling of 12311325 in words is "twelve million, three hundred eleven thousand, three hundred twenty-five".
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