12479712 has 96 divisors (see below), whose sum is σ = 38304000. Its totient is φ = 3556224.

The previous prime is 12479711. The next prime is 12479723. The reversal of 12479712 is 21797421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479711) 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 15 ways as a sum of consecutive naturals, for example, 32739 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (399000).

Almost surely, 2^12479712 is an apocalyptic number.

12479712 is a gapful number since it is divisible by the number (12) 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 12479712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152000).

12479712 is an abundant number, since it is smaller than the sum of its proper divisors (25824288).

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

12479712 is an equidigital number, since it uses as much as digits as its factorization.

12479712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 391 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 12479712 is about 3532.6635843227. The cubic root of 12479712 is about 231.9538156184.

It can be divided in two parts, 1247971 and 2, that multiplied together give a palindrome (2495942).

The spelling of 12479712 in words is "twelve million, four hundred seventy-nine thousand, seven hundred twelve".