12448789 has 8 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 12079200.

The previous prime is 12448771. The next prime is 12448817. The reversal of 12448789 is 98784421.

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 12448789 - 2⁷ = 12448661 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 (12448739) 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, 7932 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (1602720).

Almost surely, 2^12448789 is an apocalyptic number.

It is an amenable number.

12448789 is a deficient number, since it is larger than the sum of its proper divisors (372971).

12448789 is a wasteful number, since it uses less digits than its factorization.

12448789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 129024, while the sum is 43.

The square root of 12448789 is about 3528.2841438864. The cubic root of 12448789 is about 231.7620740051.

The spelling of 12448789 in words is "twelve million, four hundred forty-eight thousand, seven hundred eighty-nine".