Base | Representation |
---|---|
bin | 110000100010… |
… | …110100010101 |
3 | 212221112010202 |
4 | 300202310111 |
5 | 11224204100 |
6 | 1132430245 |
7 | 213110441 |
oct | 60426425 |
9 | 25845122 |
10 | 12725525 |
11 | 720196a |
12 | 4318385 |
13 | 28372c7 |
14 | 1993821 |
15 | 11b57d5 |
hex | c22d15 |
12725525 has 12 divisors (see below), whose sum is σ = 15888864. Its totient is φ = 10110000.
The previous prime is 12725513. The next prime is 12725551. The reversal of 12725525 is 52552721.
It is not a de Polignac number, because 12725525 - 210 = 12724501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2090 + ... + 5460.
It is an arithmetic number, because the mean of its divisors is an integer number (1324072).
Almost surely, 212725525 is an apocalyptic number.
It is an amenable number.
12725525 is a deficient number, since it is larger than the sum of its proper divisors (3163339).
12725525 is a wasteful number, since it uses less digits than its factorization.
12725525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3532 (or 3527 counting only the distinct ones).
The product of its digits is 7000, while the sum is 29.
The square root of 12725525 is about 3567.2853824722. The cubic root of 12725525 is about 233.4668566842.
It can be divided in two parts, 127 and 25525, that added together give a palindrome (25652).
The spelling of 12725525 in words is "twelve million, seven hundred twenty-five thousand, five hundred twenty-five".
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