Base | Representation |
---|---|
bin | 110000110011… |
… | …110001101111 |
3 | 220002001102120 |
4 | 300303301233 |
5 | 11233414431 |
6 | 1134124023 |
7 | 213520116 |
oct | 60636157 |
9 | 26061376 |
10 | 12794991 |
11 | 724a080 |
12 | 4350613 |
13 | 285cb01 |
14 | 19b0c7d |
15 | 11cb196 |
hex | c33c6f |
12794991 has 8 divisors (see below), whose sum is σ = 18610944. Its totient is φ = 7754520.
The previous prime is 12794989. The next prime is 12795023. The reversal of 12794991 is 19949721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12794991 - 21 = 12794989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12794921) 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, 193831 + ... + 193896.
It is an arithmetic number, because the mean of its divisors is an integer number (2326368).
Almost surely, 212794991 is an apocalyptic number.
12794991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12794991 is a deficient number, since it is larger than the sum of its proper divisors (5815953).
12794991 is a wasteful number, since it uses less digits than its factorization.
12794991 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387741.
The product of its digits is 40824, while the sum is 42.
The square root of 12794991 is about 3577.0086664698. The cubic root of 12794991 is about 233.8909017325.
The spelling of 12794991 in words is "twelve million, seven hundred ninety-four thousand, nine hundred ninety-one".
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