Base | Representation |
---|---|
bin | 110000110100… |
… | …011111111001 |
3 | 220002012110222 |
4 | 300310133321 |
5 | 11234013240 |
6 | 1134145425 |
7 | 213531536 |
oct | 60643771 |
9 | 26065428 |
10 | 12797945 |
11 | 7251316 |
12 | 4352275 |
13 | 2861264 |
14 | 19b1d8d |
15 | 11cbeb5 |
hex | c347f9 |
12797945 has 16 divisors (see below), whose sum is σ = 15869952. Its totient is φ = 9901440.
The previous prime is 12797929. The next prime is 12797951. The reversal of 12797945 is 54979721.
It is not a de Polignac number, because 12797945 - 24 = 12797929 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12797896 and 12797905.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33224 + ... + 33606.
It is an arithmetic number, because the mean of its divisors is an integer number (991872).
Almost surely, 212797945 is an apocalyptic number.
It is an amenable number.
12797945 is a deficient number, since it is larger than the sum of its proper divisors (3072007).
12797945 is a wasteful number, since it uses less digits than its factorization.
12797945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592.
The product of its digits is 158760, while the sum is 44.
The square root of 12797945 is about 3577.4215574908. The cubic root of 12797945 is about 233.9088999361.
The spelling of 12797945 in words is "twelve million, seven hundred ninety-seven thousand, nine hundred forty-five".
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