Search a number
-
+
12132798 = 231726997
BaseRepresentation
bin101110010010…
…000110111110
3211211102001220
4232102012332
511101222143
61112014210
7205061406
oct56220676
924742056
1012132798
116937607
124091366
13268a592
14187b806
1510e9d83
hexb921be

12132798 has 24 divisors (see below), whose sum is σ = 25780632. Its totient is φ = 3805824.

The previous prime is 12132797. The next prime is 12132821. The reversal of 12132798 is 89723121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132793) 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 11 ways as a sum of consecutive naturals, for example, 1765 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (1074193).

Almost surely, 212132798 is an apocalyptic number.

12132798 is an abundant number, since it is smaller than the sum of its proper divisors (13647834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12132798 is a wasteful number, since it uses less digits than its factorization.

12132798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036 (or 7019 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 12132798 is about 3483.2166168644. The cubic root of 12132798 is about 229.7842841969.

The spelling of 12132798 in words is "twelve million, one hundred thirty-two thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 17 34 51 102 289 578 867 1734 6997 13994 20991 41982 118949 237898 356847 713694 2022133 4044266 6066399 12132798