12328567 has 4 divisors (see below), whose sum is σ = 12753720. Its totient is φ = 11903416.

The previous prime is 12328559. The next prime is 12328583. The reversal of 12328567 is 76582321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76582321 = 6131 ⋅12491.

It is a cyclic number.

It is not a de Polignac number, because 12328567 - 2³ = 12328559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328507) 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, 212533 + ... + 212590.

It is an arithmetic number, because the mean of its divisors is an integer number (3188430).

Almost surely, 2^12328567 is an apocalyptic number.

12328567 is a deficient number, since it is larger than the sum of its proper divisors (425153).

12328567 is an equidigital number, since it uses as much as digits as its factorization.

12328567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425152.

The product of its digits is 20160, while the sum is 34.

The square root of 12328567 is about 3511.2059181996. The cubic root of 12328567 is about 231.0135921489.

The spelling of 12328567 in words is "twelve million, three hundred twenty-eight thousand, five hundred sixty-seven".