12478908 has 48 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 3808704.

The previous prime is 12478891. The next prime is 12478909. The reversal of 12478908 is 80987421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25813 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^12478908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12478908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805440).

12478908 is an abundant number, since it is smaller than the sum of its proper divisors (19131972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12478908 is a wasteful number, since it uses less digits than its factorization.

12478908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 12478908 is about 3532.5497873349. The cubic root of 12478908 is about 231.9488343370.

The spelling of 12478908 in words is "twelve million, four hundred seventy-eight thousand, nine hundred eight".