Base | Representation |
---|---|
bin | 101111111110… |
… | …100011001100 |
3 | 212122222100210 |
4 | 233332203030 |
5 | 11204430342 |
6 | 1125322420 |
7 | 211621362 |
oct | 57764314 |
9 | 25588323 |
10 | 12576972 |
11 | 71102a1 |
12 | 4266410 |
13 | 27b47c5 |
14 | 1955632 |
15 | 118679c |
hex | bfe8cc |
12576972 has 24 divisors (see below), whose sum is σ = 29786176. Its totient is φ = 4129488.
The previous prime is 12576961. The next prime is 12576973. The reversal of 12576972 is 27967521.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 12576972.
It is not an unprimeable number, because it can be changed into a prime (12576973) 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, 7018 + ... + 8625.
Almost surely, 212576972 is an apocalyptic number.
12576972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12576972 is an abundant number, since it is smaller than the sum of its proper divisors (17209204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12576972 is a wasteful number, since it uses less digits than its factorization.
12576972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15717 (or 15715 counting only the distinct ones).
The product of its digits is 52920, while the sum is 39.
The square root of 12576972 is about 3546.4026844113. The cubic root of 12576972 is about 232.5548304028.
The spelling of 12576972 in words is "twelve million, five hundred seventy-six thousand, nine hundred seventy-two".
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