Search a number
-
+
13085012 = 223271253
BaseRepresentation
bin110001111010…
…100101010100
3220121210021002
4301322211110
511322210022
61144242432
7216135503
oct61724524
926553232
1013085012
117427a66
124470418
132931b15
141a4883a
151237092
hexc7a954

13085012 has 6 divisors (see below), whose sum is σ = 22898778. Its totient is φ = 6542504.

The previous prime is 13084997. The next prime is 13085077. The reversal of 13085012 is 21058031.

13085012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 4813636 = 2876^2 + 2194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635623 + ... + 1635630.

It is an arithmetic number, because the mean of its divisors is an integer number (3816463).

Almost surely, 213085012 is an apocalyptic number.

It is an amenable number.

13085012 is a deficient number, since it is larger than the sum of its proper divisors (9813766).

13085012 is a wasteful number, since it uses less digits than its factorization.

13085012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271257 (or 3271255 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 13085012 is about 3617.3211082236. The cubic root of 13085012 is about 235.6448983048.

The spelling of 13085012 in words is "thirteen million, eighty-five thousand, twelve".

Divisors: 1 2 4 3271253 6542506 13085012