12463989 has 8 divisors (see below), whose sum is σ = 16650720. Its totient is φ = 8293296.

The previous prime is 12463961. The next prime is 12464003. The reversal of 12463989 is 98936421.

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

It is not a de Polignac number, because 12463989 - 2¹³ = 12455797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12463989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12463189) 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, 2059 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (2081340).

Almost surely, 2^12463989 is an apocalyptic number.

It is an amenable number.

12463989 is a deficient number, since it is larger than the sum of its proper divisors (4186731).

12463989 is an equidigital number, since it uses as much as digits as its factorization.

12463989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

The product of its digits is 93312, while the sum is 42.

The square root of 12463989 is about 3530.4375082984. The cubic root of 12463989 is about 231.8563629817.

The spelling of 12463989 in words is "twelve million, four hundred sixty-three thousand, nine hundred eighty-nine".