Base | Representation |
---|---|
bin | 101111011111… |
… | …110010011100 |
3 | 212102120112010 |
4 | 233133302130 |
5 | 11141412342 |
6 | 1122511220 |
7 | 210555132 |
oct | 57376234 |
9 | 25376463 |
10 | 12450972 |
11 | 7034666 |
12 | 4205510 |
13 | 276c351 |
14 | 1921752 |
15 | 115e29c |
hex | bdfc9c |
12450972 has 24 divisors (see below), whose sum is σ = 29601936. Its totient is φ = 4071808.
The previous prime is 12450943. The next prime is 12450973. The reversal of 12450972 is 27905421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12450973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153 + ... + 10424.
It is an arithmetic number, because the mean of its divisors is an integer number (1233414).
Almost surely, 212450972 is an apocalyptic number.
12450972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12450972 is an abundant number, since it is smaller than the sum of its proper divisors (17150964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12450972 is a wasteful number, since it uses less digits than its factorization.
12450972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19637 (or 19635 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 12450972 is about 3528.5934874961. The cubic root of 12450972 is about 231.7756203572.
The spelling of 12450972 in words is "twelve million, four hundred fifty thousand, nine hundred seventy-two".
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