Base | Representation |
---|---|
bin | 110001100010… |
… | …111110100101 |
3 | 220102212122002 |
4 | 301202332211 |
5 | 11311111300 |
6 | 1142215045 |
7 | 215253560 |
oct | 61427645 |
9 | 26385562 |
10 | 12988325 |
11 | 7371359 |
12 | 4424485 |
13 | 28c9acc |
14 | 1a214d7 |
15 | 12185d5 |
hex | c62fa5 |
12988325 has 12 divisors (see below), whose sum is σ = 18406560. Its totient is φ = 8906160.
The previous prime is 12988301. The next prime is 12988361. The reversal of 12988325 is 52388921.
It is not a de Polignac number, because 12988325 - 28 = 12988069 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36935 + ... + 37284.
It is an arithmetic number, because the mean of its divisors is an integer number (1533880).
Almost surely, 212988325 is an apocalyptic number.
It is an amenable number.
12988325 is a deficient number, since it is larger than the sum of its proper divisors (5418235).
12988325 is an equidigital number, since it uses as much as digits as its factorization.
12988325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74236 (or 74231 counting only the distinct ones).
The product of its digits is 34560, while the sum is 38.
The square root of 12988325 is about 3603.9318805993. The cubic root of 12988325 is about 235.0630583758.
The spelling of 12988325 in words is "twelve million, nine hundred eighty-eight thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •