12283521 has 8 divisors (see below), whose sum is σ = 16409664. Its totient is φ = 8173200.

The previous prime is 12283511. The next prime is 12283543. The reversal of 12283521 is 12538221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12283521 - 2⁵ = 12283489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12283491 and 12283500.

It is not an unprimeable number, because it can be changed into a prime (12283511) 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 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (2051208).

Almost surely, 2^12283521 is an apocalyptic number.

It is an amenable number.

12283521 is a deficient number, since it is larger than the sum of its proper divisors (4126143).

12283521 is an equidigital number, since it uses as much as digits as its factorization.

12283521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911.

The product of its digits is 960, while the sum is 24.

The square root of 12283521 is about 3504.7854427910. The cubic root of 12283521 is about 230.7318903600.

The spelling of 12283521 in words is "twelve million, two hundred eighty-three thousand, five hundred twenty-one".