12105424 has 20 divisors (see below), whose sum is σ = 23720580. Its totient is φ = 5984000.

The previous prime is 12105421. The next prime is 12105427. The reversal of 12105424 is 42450121.

12105424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12105421) and next prime (12105427).

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 10497600 = 1268^2 + 3240^2 .

It is a super-3 number, since 3×12105424³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2827 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1186029).

Almost surely, 2^12105424 is an apocalyptic number.

It is an amenable number.

12105424 is a deficient number, since it is larger than the sum of its proper divisors (11615156).

12105424 is an equidigital number, since it uses as much as digits as its factorization.

12105424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12105424 is about 3479.2849840161. The cubic root of 12105424 is about 229.6113410853.

Adding to 12105424 its reverse (42450121), we get a palindrome (54555545).

The spelling of 12105424 in words is "twelve million, one hundred five thousand, four hundred twenty-four".