Search a number
-
+
11812853 = 132274003
BaseRepresentation
bin101101000011…
…111111110101
3211020011012002
4231003333311
511011002403
61101105045
7202256543
oct55037765
924204162
1011812853
116739198
123b58185
1325a7a70
1417d6d93
151085188
hexb43ff5

11812853 has 8 divisors (see below), whose sum is σ = 12780768. Its totient is φ = 10853424.

The previous prime is 11812849. The next prime is 11812873. The reversal of 11812853 is 35821811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11812853 - 22 = 11812849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11812873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 211812853 is an apocalyptic number.

11812853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11812853 is a deficient number, since it is larger than the sum of its proper divisors (967915).

11812853 is a wasteful number, since it uses less digits than its factorization.

11812853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243.

The product of its digits is 1920, while the sum is 29.

The square root of 11812853 is about 3436.9831247767. The cubic root of 11812853 is about 227.7464414732.

The spelling of 11812853 in words is "eleven million, eight hundred twelve thousand, eight hundred fifty-three".

Divisors: 1 13 227 2951 4003 52039 908681 11812853