12745579 has 8 divisors (see below), whose sum is σ = 15890688. Its totient is φ = 9931560.

The previous prime is 12745573. The next prime is 12745583. The reversal of 12745579 is 97554721.

12745579 is nontrivially palindromic in base 13.

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

It is a cyclic number.

It is not a de Polignac number, because 12745579 - 2³ = 12745571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12745571) 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, 82687 + ... + 82840.

It is an arithmetic number, because the mean of its divisors is an integer number (1986336).

Almost surely, 2^12745579 is an apocalyptic number.

12745579 is a deficient number, since it is larger than the sum of its proper divisors (3145109).

12745579 is a wasteful number, since it uses less digits than its factorization.

12745579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165545.

The product of its digits is 88200, while the sum is 40.

The square root of 12745579 is about 3570.0950967726. The cubic root of 12745579 is about 233.5894315115.

The spelling of 12745579 in words is "twelve million, seven hundred forty-five thousand, five hundred seventy-nine".