12373321 has 4 divisors (see below), whose sum is σ = 12385792. Its totient is φ = 12360852.

The previous prime is 12373307. The next prime is 12373357. The reversal of 12373321 is 12337321.

It is a happy number.

12373321 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12337321 = 719 ⋅17159.

It is a cyclic number.

It is not a de Polignac number, because 12373321 - 2⁵ = 12373289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12373292 and 12373301.

It is not an unprimeable number, because it can be changed into a prime (12373381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4605 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (3096448).

Almost surely, 2^12373321 is an apocalyptic number.

It is an amenable number.

12373321 is a deficient number, since it is larger than the sum of its proper divisors (12471).

12373321 is a wasteful number, since it uses less digits than its factorization.

12373321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470.

The product of its digits is 756, while the sum is 22.

The square root of 12373321 is about 3517.5731691039. The cubic root of 12373321 is about 231.2927891602.

The spelling of 12373321 in words is "twelve million, three hundred seventy-three thousand, three hundred twenty-one".