12340067 has 4 divisors (see below), whose sum is σ = 12369000. Its totient is φ = 12311136.

The previous prime is 12340061. The next prime is 12340091. The reversal of 12340067 is 76004321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76004321 = 557 ⋅136453.

It is a cyclic number.

It is not a de Polignac number, because 12340067 - 2¹⁰ = 12339043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340061) 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, 13817 + ... + 14682.

It is an arithmetic number, because the mean of its divisors is an integer number (3092250).

Almost surely, 2^12340067 is an apocalyptic number.

12340067 is a deficient number, since it is larger than the sum of its proper divisors (28933).

12340067 is an equidigital number, since it uses as much as digits as its factorization.

12340067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28932.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 12340067 is about 3512.8431504979. The cubic root of 12340067 is about 231.0853991075.

Adding to 12340067 its reverse (76004321), we get a palindrome (88344388).

It can be divided in two parts, 12 and 340067, that multiplied together give a palindrome (4080804).

The spelling of 12340067 in words is "twelve million, three hundred forty thousand, sixty-seven".