12321793 has 6 divisors (see below), whose sum is σ = 13543922. Its totient is φ = 11201520.

The previous prime is 12321763. The next prime is 12321797. The reversal of 12321793 is 39712321.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 543169 = 3432^2 + 737^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12321793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50796 + ... + 51037.

Almost surely, 2^12321793 is an apocalyptic number.

It is an amenable number.

12321793 is a deficient number, since it is larger than the sum of its proper divisors (1222129).

12321793 is a wasteful number, since it uses less digits than its factorization.

12321793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101855 (or 101844 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 12321793 is about 3510.2411598065. The cubic root of 12321793 is about 230.9712738277.

It can be divided in two parts, 1232 and 1793, that added together give a square (3025 = 55²).

The spelling of 12321793 in words is "twelve million, three hundred twenty-one thousand, seven hundred ninety-three".