Base | Representation |
---|---|
bin | 110001100000… |
… | …111000001010 |
3 | 220102102211110 |
4 | 301200320022 |
5 | 11310322342 |
6 | 1142111150 |
7 | 215216520 |
oct | 61407012 |
9 | 26372743 |
10 | 12979722 |
11 | 7365948 |
12 | 441b4b6 |
13 | 28c5c12 |
14 | 1a1c310 |
15 | 1215c9c |
hex | c60e0a |
12979722 has 32 divisors (see below), whose sum is σ = 30362112. Its totient is φ = 3621744.
The previous prime is 12979697. The next prime is 12979727. The reversal of 12979722 is 22797921.
It is not an unprimeable number, because it can be changed into a prime (12979727) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1788 + ... + 5399.
It is an arithmetic number, because the mean of its divisors is an integer number (948816).
Almost surely, 212979722 is an apocalyptic number.
12979722 is an abundant number, since it is smaller than the sum of its proper divisors (17382390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12979722 is a wasteful number, since it uses less digits than its factorization.
12979722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7242.
The product of its digits is 31752, while the sum is 39.
The square root of 12979722 is about 3602.7381253708. The cubic root of 12979722 is about 235.0111478037.
The spelling of 12979722 in words is "twelve million, nine hundred seventy-nine thousand, seven hundred twenty-two".
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