12723567 has 4 divisors (see below), whose sum is σ = 16964760. Its totient is φ = 8482376.

The previous prime is 12723539. The next prime is 12723569. The reversal of 12723567 is 76532721.

12723567 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 12723567 - 2⁸ = 12723311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723569) 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, 2120592 + ... + 2120597.

It is an arithmetic number, because the mean of its divisors is an integer number (4241190).

Almost surely, 2^12723567 is an apocalyptic number.

12723567 is a deficient number, since it is larger than the sum of its proper divisors (4241193).

12723567 is an equidigital number, since it uses as much as digits as its factorization.

12723567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241192.

The product of its digits is 17640, while the sum is 33.

The square root of 12723567 is about 3567.0109335409. The cubic root of 12723567 is about 233.4548820230.

The spelling of 12723567 in words is "twelve million, seven hundred twenty-three thousand, five hundred sixty-seven".