12140872 has 16 divisors (see below), whose sum is σ = 23754240. Its totient is φ = 5806416.

The previous prime is 12140861. The next prime is 12140903. The reversal of 12140872 is 27804121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32808 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (1484640).

Almost surely, 2^12140872 is an apocalyptic number.

It is an amenable number.

12140872 is a deficient number, since it is larger than the sum of its proper divisors (11613368).

12140872 is a wasteful number, since it uses less digits than its factorization.

12140872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66012 (or 66008 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12140872 is about 3484.3754103139. The cubic root of 12140872 is about 229.8352443278.

Adding to 12140872 its reverse (27804121), we get a palindrome (39944993).

The spelling of 12140872 in words is "twelve million, one hundred forty thousand, eight hundred seventy-two".