12772747 has 8 divisors (see below), whose sum is σ = 13808816. Its totient is φ = 11744352.

The previous prime is 12772717. The next prime is 12772757. The reversal of 12772747 is 74727721.

12772747 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12772747 - 2⁷ = 12772619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12772717) 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, 1828 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (1726102).

Almost surely, 2^12772747 is an apocalyptic number.

12772747 is a deficient number, since it is larger than the sum of its proper divisors (1036069).

12772747 is a wasteful number, since it uses less digits than its factorization.

12772747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its digits is 38416, while the sum is 37.

The square root of 12772747 is about 3573.8980119752. The cubic root of 12772747 is about 233.7552838940.

The spelling of 12772747 in words is "twelve million, seven hundred seventy-two thousand, seven hundred forty-seven".