12285523 has 2 divisors, whose sum is σ = 12285524. Its totient is φ = 12285522.

The previous prime is 12285521. The next prime is 12285541. The reversal of 12285523 is 32558221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32558221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12285523 - 2¹ = 12285521 is a prime.

Together with 12285521, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12285491 and 12285500.

It is not a weakly prime, because it can be changed into another prime (12285521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142761 + 6142762.

It is an arithmetic number, because the mean of its divisors is an integer number (6142762).

Almost surely, 2^12285523 is an apocalyptic number.

12285523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12285523 is an equidigital number, since it uses as much as digits as its factorization.

12285523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 12285523 is about 3505.0710406495. The cubic root of 12285523 is about 230.7444247724.

The spelling of 12285523 in words is "twelve million, two hundred eighty-five thousand, five hundred twenty-three".