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12132263 = 1113372293
BaseRepresentation
bin101110010001…
…111110100111
3211211101100002
4232101332213
511101213023
61112011515
7205060013
oct56217647
924741302
1012132263
116937170
124090b9b
13268a270
14187b543
1510e9b28
hexb91fa7

12132263 has 16 divisors (see below), whose sum is σ = 14644896. Its totient is φ = 9901440.

The previous prime is 12132259. The next prime is 12132277. The reversal of 12132263 is 36223121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12132263 - 22 = 12132259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4145 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (915306).

Almost surely, 212132263 is an apocalyptic number.

12132263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12132263 is a deficient number, since it is larger than the sum of its proper divisors (2512633).

12132263 is a wasteful number, since it uses less digits than its factorization.

12132263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354.

The product of its digits is 432, while the sum is 20.

The square root of 12132263 is about 3483.1398191861. The cubic root of 12132263 is about 229.7809066743.

Adding to 12132263 its reverse (36223121), we get a palindrome (48355384).

The spelling of 12132263 in words is "twelve million, one hundred thirty-two thousand, two hundred sixty-three".

Divisors: 1 11 13 37 143 407 481 2293 5291 25223 29809 84841 327899 933251 1102933 12132263