Base | Representation |
---|---|
bin | 101111110100… |
… | …101111111001 |
3 | 212120221021212 |
4 | 233310233321 |
5 | 11202134300 |
6 | 1124412505 |
7 | 211363340 |
oct | 57645771 |
9 | 25527255 |
10 | 12536825 |
11 | 7093114 |
12 | 4247135 |
13 | 279c452 |
14 | 1944b57 |
15 | 1179935 |
hex | bf4bf9 |
12536825 has 24 divisors (see below), whose sum is σ = 18034560. Its totient is φ = 8467200.
The previous prime is 12536809. The next prime is 12536861. The reversal of 12536825 is 52863521.
It is not a de Polignac number, because 12536825 - 24 = 12536809 is a prime.
It is a super-3 number, since 3×125368253 (a number of 22 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12536791 and 12536800.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11921 + ... + 12929.
It is an arithmetic number, because the mean of its divisors is an integer number (751440).
Almost surely, 212536825 is an apocalyptic number.
It is an amenable number.
12536825 is a deficient number, since it is larger than the sum of its proper divisors (5497735).
12536825 is a wasteful number, since it uses less digits than its factorization.
12536825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).
The product of its digits is 14400, while the sum is 32.
The square root of 12536825 is about 3540.7379174404. The cubic root of 12536825 is about 232.3071202582.
The spelling of 12536825 in words is "twelve million, five hundred thirty-six thousand, eight hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •