12040678 has 8 divisors (see below), whose sum is σ = 19450368. Its totient is φ = 5557224.

The previous prime is 12040649. The next prime is 12040681. The reversal of 12040678 is 87604021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 231526 + ... + 231577.

It is an arithmetic number, because the mean of its divisors is an integer number (2431296).

Almost surely, 2^12040678 is an apocalyptic number.

12040678 is a deficient number, since it is larger than the sum of its proper divisors (7409690).

12040678 is a wasteful number, since it uses less digits than its factorization.

12040678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463118.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12040678 is about 3469.9680113799. The cubic root of 12040678 is about 229.2012494513.

Adding to 12040678 its reverse (87604021), we get a palindrome (99644699).

The spelling of 12040678 in words is "twelve million, forty thousand, six hundred seventy-eight".