Base | Representation |
---|---|
bin | 110000011010… |
… | …111101100001 |
3 | 212212212222220 |
4 | 300122331201 |
5 | 11222141340 |
6 | 1132021253 |
7 | 212614560 |
oct | 60327541 |
9 | 25785886 |
10 | 12693345 |
11 | 718a775 |
12 | 4301829 |
13 | 2825772 |
14 | 1985bd7 |
15 | 11aaed0 |
hex | c1af61 |
12693345 has 16 divisors (see below), whose sum is σ = 23210880. Its totient is φ = 5802624.
The previous prime is 12693277. The next prime is 12693367. The reversal of 12693345 is 54339621.
12693345 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12693345 - 216 = 12627809 is a prime.
It is a super-2 number, since 2×126933452 = 322242014578050, which contains 22 as substring.
12693345 is strictly pandigital in base 8.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60340 + ... + 60549.
It is an arithmetic number, because the mean of its divisors is an integer number (1450680).
Almost surely, 212693345 is an apocalyptic number.
12693345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12693345 is a deficient number, since it is larger than the sum of its proper divisors (10517535).
12693345 is a wasteful number, since it uses less digits than its factorization.
12693345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120904.
The product of its digits is 19440, while the sum is 33.
The square root of 12693345 is about 3562.7720948722. The cubic root of 12693345 is about 233.2698954527.
The spelling of 12693345 in words is "twelve million, six hundred ninety-three thousand, three hundred forty-five".
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