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13084853 = 101129553
BaseRepresentation
bin110001111010…
…100010110101
3220121210001012
4301322202311
511322203403
61144242005
7216135155
oct61724265
926553035
1013084853
117427931
124470305
132931a22
141a48765
151236ed8
hexc7a8b5

13084853 has 4 divisors (see below), whose sum is σ = 13214508. Its totient is φ = 12955200.

The previous prime is 13084823. The next prime is 13084871. The reversal of 13084853 is 35848031.

It is a happy number.

13084853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5373124 + 7711729 = 2318^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 13084853 - 26 = 13084789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13084823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64676 + ... + 64877.

It is an arithmetic number, because the mean of its divisors is an integer number (3303627).

Almost surely, 213084853 is an apocalyptic number.

It is an amenable number.

13084853 is a deficient number, since it is larger than the sum of its proper divisors (129655).

13084853 is a wasteful number, since it uses less digits than its factorization.

13084853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129654.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 13084853 is about 3617.2991305669. The cubic root of 13084853 is about 235.6439438364.

The spelling of 13084853 in words is "thirteen million, eighty-four thousand, eight hundred fifty-three".

Divisors: 1 101 129553 13084853