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12741133 = 18170393
BaseRepresentation
bin110000100110…
…101000001101
3212222022112211
4300212220031
511230204013
61133030421
7213204106
oct60465015
925868484
1012741133
117212669
124325411
132841442
1419993ad
1511ba23d
hexc26a0d

12741133 has 4 divisors (see below), whose sum is σ = 12811708. Its totient is φ = 12670560.

The previous prime is 12741107. The next prime is 12741167. The reversal of 12741133 is 33114721.

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 3143529 + 9597604 = 1773^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 12741133 - 221 = 10643981 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 (12741173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35016 + ... + 35377.

It is an arithmetic number, because the mean of its divisors is an integer number (3202927).

Almost surely, 212741133 is an apocalyptic number.

It is an amenable number.

12741133 is a deficient number, since it is larger than the sum of its proper divisors (70575).

12741133 is an equidigital number, since it uses as much as digits as its factorization.

12741133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70574.

The product of its digits is 504, while the sum is 22.

The square root of 12741133 is about 3569.4723699729. The cubic root of 12741133 is about 233.5622675987.

Adding to 12741133 its reverse (33114721), we get a palindrome (45855854).

The spelling of 12741133 in words is "twelve million, seven hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 181 70393 12741133