Base | Representation |
---|---|
bin | 110001010010… |
… | …001111011100 |
3 | 220022101121002 |
4 | 301102033130 |
5 | 11301413042 |
6 | 1140525432 |
7 | 214546655 |
oct | 61221734 |
9 | 26271532 |
10 | 12919772 |
11 | 73248a8 |
12 | 43b0878 |
13 | 28a4848 |
14 | 1a0452c |
15 | 1203132 |
hex | c523dc |
12919772 has 24 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 6070896.
The previous prime is 12919763. The next prime is 12919787. The reversal of 12919772 is 27791921.
12919772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9953 + ... + 11175.
It is an arithmetic number, because the mean of its divisors is an integer number (999600).
Almost surely, 212919772 is an apocalyptic number.
It is an amenable number.
12919772 is a deficient number, since it is larger than the sum of its proper divisors (11070628).
12919772 is a wasteful number, since it uses less digits than its factorization.
12919772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1385 (or 1383 counting only the distinct ones).
The product of its digits is 15876, while the sum is 38.
The square root of 12919772 is about 3594.4084353340. The cubic root of 12919772 is about 234.6487706236.
The spelling of 12919772 in words is "twelve million, nine hundred nineteen thousand, seven hundred seventy-two".
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