12284531 has 8 divisors (see below), whose sum is σ = 14338560. Its totient is φ = 10305288.

The previous prime is 12284521. The next prime is 12284533. The reversal of 12284531 is 13548221.

12284531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12284531 - 2¹⁰ = 12283507 is a prime.

It is a super-2 number, since 2×12284531² = 301819403779922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12284531.

It is not an unprimeable number, because it can be changed into a prime (12284533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18341 + ... + 18998.

It is an arithmetic number, because the mean of its divisors is an integer number (1792320).

Almost surely, 2^12284531 is an apocalyptic number.

12284531 is a deficient number, since it is larger than the sum of its proper divisors (2054029).

12284531 is an equidigital number, since it uses as much as digits as its factorization.

12284531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37393.

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

The square root of 12284531 is about 3504.9295285355. The cubic root of 12284531 is about 230.7382140849.

The spelling of 12284531 in words is "twelve million, two hundred eighty-four thousand, five hundred thirty-one".