12478896 has 60 divisors (see below), whose sum is σ = 36769720. Its totient is φ = 3939840.

The previous prime is 12478891. The next prime is 12478909. The reversal of 12478896 is 69887421.

It is not an unprimeable number, because it can be changed into a prime (12478891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456 + ... + 5016.

Almost surely, 2^12478896 is an apocalyptic number.

12478896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12478896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18384860).

12478896 is an abundant number, since it is smaller than the sum of its proper divisors (24290824).

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

12478896 is a wasteful number, since it uses less digits than its factorization.

12478896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4585 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 12478896 is about 3532.5480888447. The cubic root of 12478896 is about 231.9487599879.

The spelling of 12478896 in words is "twelve million, four hundred seventy-eight thousand, eight hundred ninety-six".