Base | Representation |
---|---|
bin | 110001100100… |
… | …111001100101 |
3 | 220110021102122 |
4 | 301210321211 |
5 | 11311334242 |
6 | 1142315325 |
7 | 215315534 |
oct | 61447145 |
9 | 26407378 |
10 | 12996197 |
11 | 7377265 |
12 | 4428b45 |
13 | 2900576 |
14 | 1a2431b |
15 | 121aad2 |
hex | c64e65 |
12996197 has 4 divisors (see below), whose sum is σ = 13044780. Its totient is φ = 12947616.
The previous prime is 12996163. The next prime is 12996199. The reversal of 12996197 is 79169921.
12996197 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: 79169921 = 2251 ⋅35171.
It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 10962721 = 1426^2 + 3311^2 .
It is a cyclic number.
It is not a de Polignac number, because 12996197 - 210 = 12995173 is a prime.
It is a super-2 number, since 2×129961972 = 337802272925618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12996199) 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, 23888 + ... + 24425.
It is an arithmetic number, because the mean of its divisors is an integer number (3261195).
Almost surely, 212996197 is an apocalyptic number.
It is an amenable number.
12996197 is a deficient number, since it is larger than the sum of its proper divisors (48583).
12996197 is an equidigital number, since it uses as much as digits as its factorization.
12996197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48582.
The product of its digits is 61236, while the sum is 44.
The square root of 12996197 is about 3605.0238556770. The cubic root of 12996197 is about 235.1105380081.
The spelling of 12996197 in words is "twelve million, nine hundred ninety-six thousand, one hundred ninety-seven".
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