12024945 has 24 divisors (see below), whose sum is σ = 20929896. Its totient is φ = 6386688.

The previous prime is 12024923. The next prime is 12024949. The reversal of 12024945 is 54942021.

It can be written as a sum of positive squares in 4 ways, for example, as 1292769 + 10732176 = 1137^2 + 3276^2 .

It is not a de Polignac number, because 12024945 - 2⁵ = 12024913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12024949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15507 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (872079).

Almost surely, 2^12024945 is an apocalyptic number.

12024945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12024945 is a deficient number, since it is larger than the sum of its proper divisors (8904951).

12024945 is a wasteful number, since it uses less digits than its factorization.

12024945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12024945 is about 3467.7002465611. The cubic root of 12024945 is about 229.1013770298.

Adding to 12024945 its reverse (54942021), we get a palindrome (66966966).

The spelling of 12024945 in words is "twelve million, twenty-four thousand, nine hundred forty-five".