12320067 has 8 divisors (see below), whose sum is σ = 16596496. Its totient is φ = 8128512.

The previous prime is 12320057. The next prime is 12320071. The reversal of 12320067 is 76002321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12320067 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12320017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20878 + ... + 21459.

It is an arithmetic number, because the mean of its divisors is an integer number (2074562).

Almost surely, 2^12320067 is an apocalyptic number.

12320067 is a deficient number, since it is larger than the sum of its proper divisors (4276429).

12320067 is an equidigital number, since it uses as much as digits as its factorization.

12320067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42437.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12320067 is about 3509.9952991422. The cubic root of 12320067 is about 230.9604887352.

Adding to 12320067 its reverse (76002321), we get a palindrome (88322388).

The spelling of 12320067 in words is "twelve million, three hundred twenty thousand, sixty-seven".