Base | Representation |
---|---|
bin | 110001001110… |
… | …011000010101 |
3 | 220021120220100 |
4 | 301032120111 |
5 | 11300411312 |
6 | 1140324313 |
7 | 214452603 |
oct | 61163025 |
9 | 26246810 |
10 | 12903957 |
11 | 7313a30 |
12 | 43a3699 |
13 | 289a5a1 |
14 | 19dc873 |
15 | 11ed5dc |
hex | c4e615 |
12903957 has 12 divisors (see below), whose sum is σ = 20333664. Its totient is φ = 7820520.
The previous prime is 12903941. The next prime is 12903959. The reversal of 12903957 is 75930921.
It is not a de Polignac number, because 12903957 - 24 = 12903941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12903959) 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 11 ways as a sum of consecutive naturals, for example, 65073 + ... + 65270.
It is an arithmetic number, because the mean of its divisors is an integer number (1694472).
Almost surely, 212903957 is an apocalyptic number.
It is an amenable number.
12903957 is a deficient number, since it is larger than the sum of its proper divisors (7429707).
12903957 is a wasteful number, since it uses less digits than its factorization.
12903957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130360 (or 130357 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 12903957 is about 3592.2078169282. The cubic root of 12903957 is about 234.5529875729.
The spelling of 12903957 in words is "twelve million, nine hundred three thousand, nine hundred fifty-seven".
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