12740726 has 8 divisors (see below), whose sum is σ = 19251000. Its totient is φ = 6323728.

The previous prime is 12740719. The next prime is 12740747. The reversal of 12740726 is 62704721.

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, 22976 + ... + 23523.

It is an arithmetic number, because the mean of its divisors is an integer number (2406375).

Almost surely, 2^12740726 is an apocalyptic number.

12740726 is a deficient number, since it is larger than the sum of its proper divisors (6510274).

12740726 is a wasteful number, since it uses less digits than its factorization.

12740726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46638.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12740726 is about 3569.4153582905. The cubic root of 12740726 is about 233.5597806180.

The spelling of 12740726 in words is "twelve million, seven hundred forty thousand, seven hundred twenty-six".