12043870 has 32 divisors (see below), whose sum is σ = 22812768. Its totient is φ = 4572288.

The previous prime is 12043831. The next prime is 12043909. The reversal of 12043870 is 7834021.

It is an interprime number because it is at equal distance from previous prime (12043831) and next prime (12043909).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15532 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (712899).

Almost surely, 2^12043870 is an apocalyptic number.

12043870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12043870 is a deficient number, since it is larger than the sum of its proper divisors (10768898).

12043870 is a wasteful number, since it uses less digits than its factorization.

12043870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12043870 is about 3470.4279275040. The cubic root of 12043870 is about 229.2215015154.

Adding to 12043870 its reverse (7834021), we get a palindrome (19877891).

The spelling of 12043870 in words is "twelve million, forty-three thousand, eight hundred seventy".