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12026825 = 52481073
BaseRepresentation
bin101101111000…
…001111001001
3211122000200222
4231320033021
511034324300
61105435425
7204140426
oct55701711
924560628
1012026825
116874a28
12403bb75
132651285
141850d4d
1510c8785
hexb783c9

12026825 has 6 divisors (see below), whose sum is σ = 14913294. Its totient is φ = 9621440.

The previous prime is 12026809. The next prime is 12026827. The reversal of 12026825 is 52862021.

It can be written as a sum of positive squares in 3 ways, for example, as 3564544 + 8462281 = 1888^2 + 2909^2 .

It is not a de Polignac number, because 12026825 - 24 = 12026809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12026794 and 12026803.

It is not an unprimeable number, because it can be changed into a prime (12026827) 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 5 ways as a sum of consecutive naturals, for example, 240512 + ... + 240561.

It is an arithmetic number, because the mean of its divisors is an integer number (2485549).

Almost surely, 212026825 is an apocalyptic number.

It is an amenable number.

12026825 is a deficient number, since it is larger than the sum of its proper divisors (2886469).

12026825 is an equidigital number, since it uses as much as digits as its factorization.

12026825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481083 (or 481078 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12026825 is about 3467.9713089932. The cubic root of 12026825 is about 229.1133157717.

Adding to 12026825 its reverse (52862021), we get a palindrome (64888846).

The spelling of 12026825 in words is "twelve million, twenty-six thousand, eight hundred twenty-five".

Divisors: 1 5 25 481073 2405365 12026825