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12132133 = 13933241
BaseRepresentation
bin101110010001…
…111100100101
3211211101011021
4232101330211
511101212013
61112011141
7205056436
oct56217445
924741137
1012132133
116937062
124090ab1
13268a1a0
14187b48d
1510e9a8d
hexb91f25

12132133 has 4 divisors (see below), whose sum is σ = 13065388. Its totient is φ = 11198880.

The previous prime is 12132103. The next prime is 12132151. The reversal of 12132133 is 33123121.

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 956484 + 11175649 = 978^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132133 - 29 = 12131621 is a prime.

It is a super-2 number, since 2×121321332 = 294377302259378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132103) 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, 466608 + ... + 466633.

It is an arithmetic number, because the mean of its divisors is an integer number (3266347).

Almost surely, 212132133 is an apocalyptic number.

12132133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12132133 is a deficient number, since it is larger than the sum of its proper divisors (933255).

12132133 is an equidigital number, since it uses as much as digits as its factorization.

12132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933254.

The product of its digits is 108, while the sum is 16.

The square root of 12132133 is about 3483.1211578123. The cubic root of 12132133 is about 229.7800859529.

Adding to 12132133 its reverse (33123121), we get a palindrome (45255254).

The spelling of 12132133 in words is "twelve million, one hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 13 933241 12132133