12924489 has 12 divisors (see below), whose sum is σ = 17810448. Its totient is φ = 8336520.

The previous prime is 12924487. The next prime is 12924529. The reversal of 12924489 is 98442921.

It is not a de Polignac number, because 12924489 - 2¹ = 12924487 is a prime.

It is a super-2 number, since 2×12924489² = 334084831822242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12924487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1484204).

Almost surely, 2^12924489 is an apocalyptic number.

12924489 is the 1922-nd nonagonal number.

It is an amenable number.

12924489 is a deficient number, since it is larger than the sum of its proper divisors (4885959).

12924489 is an equidigital number, since it uses as much as digits as its factorization.

12924489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4517 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 12924489 is about 3595.0645334959. The cubic root of 12924489 is about 234.6773238513.

The spelling of 12924489 in words is "twelve million, nine hundred twenty-four thousand, four hundred eighty-nine".