12797747 has 4 divisors (see below), whose sum is σ = 12855360. Its totient is φ = 12740136.

The previous prime is 12797731. The next prime is 12797777. The reversal of 12797747 is 74779721.

12797747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74779721 = 229 ⋅326549.

It is a cyclic number.

It is not a de Polignac number, because 12797747 - 2⁴ = 12797731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12797698 and 12797707.

It is not an unprimeable number, because it can be changed into a prime (12797717) 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, 28472 + ... + 28917.

It is an arithmetic number, because the mean of its divisors is an integer number (3213840).

Almost surely, 2^12797747 is an apocalyptic number.

12797747 is a deficient number, since it is larger than the sum of its proper divisors (57613).

12797747 is an equidigital number, since it uses as much as digits as its factorization.

12797747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57612.

The product of its digits is 172872, while the sum is 44.

The square root of 12797747 is about 3577.3938838210. The cubic root of 12797747 is about 233.9076936434.

The spelling of 12797747 in words is "twelve million, seven hundred ninety-seven thousand, seven hundred forty-seven".