12232040 has 32 divisors (see below), whose sum is σ = 27638280. Its totient is φ = 4872192.

The previous prime is 12232039. The next prime is 12232049. The reversal of 12232040 is 4023221.

12232040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8868484 + 3363556 = 2978^2 + 1834^2 .

It is not an unprimeable number, because it can be changed into a prime (12232049) 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, 12032 + ... + 13008.

Almost surely, 2^12232040 is an apocalyptic number.

12232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232040 is an abundant number, since it is smaller than the sum of its proper divisors (15406240).

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

12232040 is a wasteful number, since it uses less digits than its factorization.

12232040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12232040 is about 3497.4333446114. The cubic root of 12232040 is about 230.4091017656.

Adding to 12232040 its reverse (4023221), we get a palindrome (16255261).

The spelling of 12232040 in words is "twelve million, two hundred thirty-two thousand, forty".