12038240 has 24 divisors (see below), whose sum is σ = 28440720. Its totient is φ = 4815232.

The previous prime is 12038239. The next prime is 12038281. The reversal of 12038240 is 4283021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37460 + ... + 37779.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^12038240 is an apocalyptic number.

12038240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12038240 is an abundant number, since it is smaller than the sum of its proper divisors (16402480).

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

12038240 is an equidigital number, since it uses as much as digits as its factorization.

12038240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75254 (or 75246 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12038240 is about 3469.6166935268. The cubic root of 12038240 is about 229.1857788284.

The spelling of 12038240 in words is "twelve million, thirty-eight thousand, two hundred forty".