12032040 has 32 divisors (see below), whose sum is σ = 36096480. Its totient is φ = 3208512.

The previous prime is 12032011. The next prime is 12032057. The reversal of 12032040 is 4023021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50014 + ... + 50253.

It is an arithmetic number, because the mean of its divisors is an integer number (1128015).

Almost surely, 2^12032040 is an apocalyptic number.

12032040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032040 is an abundant number, since it is smaller than the sum of its proper divisors (24064440).

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

12032040 is a wasteful number, since it uses less digits than its factorization.

12032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100281 (or 100277 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12032040 is about 3468.7231080039. The cubic root of 12032040 is about 229.1464265687.

Adding to 12032040 its reverse (4023021), we get a palindrome (16055061).

The spelling of 12032040 in words is "twelve million, thirty-two thousand, forty".