Base | Representation |
---|---|
bin | 110001011001… |
… | …011000000001 |
3 | 220100212200100 |
4 | 301121120001 |
5 | 11303331433 |
6 | 1141313013 |
7 | 215031111 |
oct | 61313001 |
9 | 26325610 |
10 | 12948993 |
11 | 7344852 |
12 | 4405769 |
13 | 28b4c35 |
14 | 1a11041 |
15 | 120bb13 |
hex | c59601 |
12948993 has 12 divisors (see below), whose sum is σ = 19349460. Its totient is φ = 8334816.
The previous prime is 12948973. The next prime is 12949003. The reversal of 12948993 is 39984921.
It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 10909809 = 1428^2 + 3303^2 .
It is not a de Polignac number, because 12948993 - 25 = 12948961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12948973) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24546 + ... + 25067.
It is an arithmetic number, because the mean of its divisors is an integer number (1612455).
Almost surely, 212948993 is an apocalyptic number.
It is an amenable number.
12948993 is a deficient number, since it is larger than the sum of its proper divisors (6400467).
12948993 is a wasteful number, since it uses less digits than its factorization.
12948993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49648 (or 49645 counting only the distinct ones).
The product of its digits is 139968, while the sum is 45.
The square root of 12948993 is about 3598.4709252681. The cubic root of 12948993 is about 234.8255412587.
The spelling of 12948993 in words is "twelve million, nine hundred forty-eight thousand, nine hundred ninety-three".
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