12340567 has 4 divisors (see below), whose sum is σ = 12416440. Its totient is φ = 12264696.

The previous prime is 12340553. The next prime is 12340571. The reversal of 12340567 is 76504321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12340567 - 2¹⁹ = 11816279 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 (12340507) 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, 37692 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (3104110).

Almost surely, 2^12340567 is an apocalyptic number.

12340567 is a deficient number, since it is larger than the sum of its proper divisors (75873).

12340567 is an equidigital number, since it uses as much as digits as its factorization.

12340567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75872.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12340567 is about 3512.9143172016. The cubic root of 12340567 is about 231.0885201370.

Adding to 12340567 its reverse (76504321), we get a palindrome (88844888).

It can be divided in two parts, 12 and 340567, that multiplied together give a palindrome (4086804).

The spelling of 12340567 in words is "twelve million, three hundred forty thousand, five hundred sixty-seven".