Base | Representation |
---|---|
bin | 110001111011… |
… | …000000000101 |
3 | 220121212121112 |
4 | 301323000011 |
5 | 11322233400 |
6 | 1144254405 |
7 | 216143501 |
oct | 61730005 |
9 | 26555545 |
10 | 13086725 |
11 | 7429283 |
12 | 4471405 |
13 | 2932832 |
14 | 1a49301 |
15 | 1237835 |
hex | c7b005 |
13086725 has 12 divisors (see below), whose sum is σ = 17082240. Its totient is φ = 9918000.
The previous prime is 13086713. The next prime is 13086737. The reversal of 13086725 is 52768031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13086713) and next prime (13086737).
It is not a de Polignac number, because 13086725 - 24 = 13086709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13086691 and 13086700.
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, 13301 + ... + 14250.
It is an arithmetic number, because the mean of its divisors is an integer number (1423520).
Almost surely, 213086725 is an apocalyptic number.
It is an amenable number.
13086725 is a deficient number, since it is larger than the sum of its proper divisors (3995515).
13086725 is a wasteful number, since it uses less digits than its factorization.
13086725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27580 (or 27575 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 13086725 is about 3617.5578779060. The cubic root of 13086725 is about 235.6551808606.
The spelling of 13086725 in words is "thirteen million, eighty-six thousand, seven hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •