Base | Representation |
---|---|
bin | 110000011010… |
… | …110110100001 |
3 | 212212212101022 |
4 | 300122312201 |
5 | 11222133042 |
6 | 1132015225 |
7 | 212613350 |
oct | 60326641 |
9 | 25785338 |
10 | 12692897 |
11 | 718a3a8 |
12 | 4301515 |
13 | 28254b9 |
14 | 1985997 |
15 | 11aacd2 |
hex | c1ada1 |
12692897 has 8 divisors (see below), whose sum is σ = 15359616. Its totient is φ = 10239552.
The previous prime is 12692881. The next prime is 12692921. The reversal of 12692897 is 79829621.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12692897 - 24 = 12692881 is a prime.
It is a super-2 number, since 2×126928972 = 322219268505218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12692597) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53213 + ... + 53450.
It is an arithmetic number, because the mean of its divisors is an integer number (1919952).
Almost surely, 212692897 is an apocalyptic number.
12692897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
12692897 is a deficient number, since it is larger than the sum of its proper divisors (2666719).
12692897 is a wasteful number, since it uses less digits than its factorization.
12692897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106687.
The product of its digits is 108864, while the sum is 44.
The square root of 12692897 is about 3562.7092219265. The cubic root of 12692897 is about 233.2671510712.
The spelling of 12692897 in words is "twelve million, six hundred ninety-two thousand, eight hundred ninety-seven".
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