12940726 has 8 divisors (see below), whose sum is σ = 19603584. Its totient is φ = 6406200.

The previous prime is 12940717. The next prime is 12940727. The reversal of 12940726 is 62704921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31830 + ... + 32233.

It is an arithmetic number, because the mean of its divisors is an integer number (2450448).

Almost surely, 2^12940726 is an apocalyptic number.

12940726 is a deficient number, since it is larger than the sum of its proper divisors (6662858).

12940726 is a wasteful number, since it uses less digits than its factorization.

12940726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64166.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12940726 is about 3597.3220595326. The cubic root of 12940726 is about 234.7755575515.

The spelling of 12940726 in words is "twelve million, nine hundred forty thousand, seven hundred twenty-six".