12247793 has 4 divisors (see below), whose sum is σ = 12256368. Its totient is φ = 12239220.

The previous prime is 12247787. The next prime is 12247811. The reversal of 12247793 is 39774221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39774221 = 53 ⋅750457.

It is a cyclic number.

It is not a de Polignac number, because 12247793 - 2¹⁰ = 12246769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12247783) 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, 1571 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (3064092).

Almost surely, 2^12247793 is an apocalyptic number.

It is an amenable number.

12247793 is a deficient number, since it is larger than the sum of its proper divisors (8575).

12247793 is an equidigital number, since it uses as much as digits as its factorization.

12247793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574.

The product of its digits is 21168, while the sum is 35.

The square root of 12247793 is about 3499.6847000837. The cubic root of 12247793 is about 230.5079699172.

The spelling of 12247793 in words is "twelve million, two hundred forty-seven thousand, seven hundred ninety-three".