Base | Representation |
---|---|
bin | 110001100101… |
… | …000110101000 |
3 | 220110022120120 |
4 | 301211012220 |
5 | 11311401112 |
6 | 1142323240 |
7 | 215321136 |
oct | 61450650 |
9 | 26408516 |
10 | 12997032 |
11 | 7377954 |
12 | 4429520 |
13 | 2900a69 |
14 | 1a24756 |
15 | 121ae8c |
hex | c651a8 |
12997032 has 16 divisors (see below), whose sum is σ = 32492640. Its totient is φ = 4332336.
The previous prime is 12997013. The next prime is 12997037. The reversal of 12997032 is 23079921.
It is a junction number, because it is equal to n+sod(n) for n = 12996984 and 12997002.
It is not an unprimeable number, because it can be changed into a prime (12997037) 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, 270748 + ... + 270795.
It is an arithmetic number, because the mean of its divisors is an integer number (2030790).
Almost surely, 212997032 is an apocalyptic number.
12997032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12997032 is an abundant number, since it is smaller than the sum of its proper divisors (19495608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12997032 is a wasteful number, since it uses less digits than its factorization.
12997032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541552 (or 541548 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 12997032 is about 3605.1396644236. The cubic root of 12997032 is about 235.1155731502.
The spelling of 12997032 in words is "twelve million, nine hundred ninety-seven thousand, thirty-two".
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