12249024 has 56 divisors (see below), whose sum is σ = 32723328. Its totient is φ = 4043520.

The previous prime is 12249019. The next prime is 12249031. The reversal of 12249024 is 42094221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12248985 and 12249003.

It is a congruent number.

It is an unprimeable number.

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, 24909 + ... + 25395.

Almost surely, 2^12249024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12249024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16361664).

12249024 is an abundant number, since it is smaller than the sum of its proper divisors (20474304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12249024 is a wasteful number, since it uses less digits than its factorization.

12249024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12249024 is about 3499.8605686513. The cubic root of 12249024 is about 230.5156922827.

The spelling of 12249024 in words is "twelve million, two hundred forty-nine thousand, twenty-four".