12773347 has 4 divisors (see below), whose sum is σ = 12782880. Its totient is φ = 12763816.

The previous prime is 12773297. The next prime is 12773353. The reversal of 12773347 is 74337721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74337721 = 31 ⋅2397991.

It is a cyclic number.

It is not a de Polignac number, because 12773347 - 2⁷ = 12773219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12773447) 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, 2347 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (3195720).

Almost surely, 2^12773347 is an apocalyptic number.

12773347 is a deficient number, since it is larger than the sum of its proper divisors (9533).

12773347 is an equidigital number, since it uses as much as digits as its factorization.

12773347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532.

The product of its digits is 24696, while the sum is 34.

The square root of 12773347 is about 3573.9819529483. The cubic root of 12773347 is about 233.7589440561.

It can be divided in two parts, 1277 and 3347, that added together give a square (4624 = 68²).

The spelling of 12773347 in words is "twelve million, seven hundred seventy-three thousand, three hundred forty-seven".