12140726 has 8 divisors (see below), whose sum is σ = 19611984. Its totient is φ = 5603400.

The previous prime is 12140693. The next prime is 12140731. The reversal of 12140726 is 62704121.

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 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, 233450 + ... + 233501.

It is an arithmetic number, because the mean of its divisors is an integer number (2451498).

Almost surely, 2^12140726 is an apocalyptic number.

12140726 is a deficient number, since it is larger than the sum of its proper divisors (7471258).

12140726 is a wasteful number, since it uses less digits than its factorization.

12140726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466966.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12140726 is about 3484.3544595807. The cubic root of 12140726 is about 229.8343230298.

Adding to 12140726 its reverse (62704121), we get a palindrome (74844847).

The spelling of 12140726 in words is "twelve million, one hundred forty thousand, seven hundred twenty-six".