12479936 has 56 divisors (see below), whose sum is σ = 28712160. Its totient is φ = 5271552.

The previous prime is 12479927. The next prime is 12479939. The reversal of 12479936 is 63997421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 12479893 and 12479902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479939) 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 7 ways as a sum of consecutive naturals, for example, 39716 + ... + 40028.

Almost surely, 2^12479936 is an apocalyptic number.

12479936 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 12479936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14356080).

12479936 is an abundant number, since it is smaller than the sum of its proper divisors (16232224).

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

12479936 is an equidigital number, since it uses as much as digits as its factorization.

12479936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 411 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 12479936 is about 3532.6952883033. The cubic root of 12479936 is about 231.9552034000.

The spelling of 12479936 in words is "twelve million, four hundred seventy-nine thousand, nine hundred thirty-six".