12740727 has 8 divisors (see below), whose sum is σ = 17007616. Its totient is φ = 8483832.

The previous prime is 12740719. The next prime is 12740747. The reversal of 12740727 is 72704721.

12740727 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12740727 - 2³ = 12740719 is a prime.

It is a super-2 number, since 2×12740727² = 324652248977058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12740694 and 12740703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (2125952).

Almost surely, 2^12740727 is an apocalyptic number.

12740727 is a deficient number, since it is larger than the sum of its proper divisors (4266889).

12740727 is a wasteful number, since it uses less digits than its factorization.

12740727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12740727 is about 3569.4154983694. The cubic root of 12740727 is about 233.5597867285.

The spelling of 12740727 in words is "twelve million, seven hundred forty thousand, seven hundred twenty-seven".