Base | Representation |
---|---|
bin | 110001101000… |
… | …110000100010 |
3 | 220111002010000 |
4 | 301220300202 |
5 | 11312341002 |
6 | 1142520430 |
7 | 215412603 |
oct | 61506042 |
9 | 26432100 |
10 | 13012002 |
11 | 7388123 |
12 | 4436116 |
13 | 2907813 |
14 | 1a29daa |
15 | 122061c |
hex | c68c22 |
13012002 has 40 divisors (see below), whose sum is σ = 30108672. Its totient is φ = 4195800.
The previous prime is 13012001. The next prime is 13012007. The reversal of 13012002 is 20021031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (13012001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3727 + ... + 6317.
Almost surely, 213012002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13012002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15054336).
13012002 is an abundant number, since it is smaller than the sum of its proper divisors (17096670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012002 is a wasteful number, since it uses less digits than its factorization.
13012002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2636 (or 2627 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 13012002 is about 3607.2152694288. The cubic root of 13012002 is about 235.2058073327.
Adding to 13012002 its reverse (20021031), we get a palindrome (33033033).
The spelling of 13012002 in words is "thirteen million, twelve thousand, two".
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